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Question 945507: How would I simplify this expression (10-√5 )(10+√5)?
Click here to see answer by MathTherapy(10551)

Question 945546: How would I simplify this expression sqrt3xy*sqrt27xy?
This is what I have so far sq.rt81xy and the answer is 9x^2y^2. Am I on the right track?

Click here to see answer by Alan3354(69443)

Question 945563: How would I simplify to the lowest terms 2x^2+5x-3/2x^2+x-1?
Click here to see answer by josgarithmetic(39616)

Question 945636: If the ratio of a to b is 4 to 5, find the value of the expression 2a+3b/4b-3a. Express your answer as a common or improper fraction reduced to lowest terms. Thanks for your help.
Click here to see answer by MathLover1(20849)

Question 945647: How would I multiply this problem (10-√5)(10+√5)? This is what I have (10)(10)+10√5+10√5-√5√5
100-√25
100-5=95
Click here to see answer by Alan3354(69443)

Question 945633: If (2x-1)(3x+2)=ax^2+bx+c for all values of x, find the smallest solution for y for the equation -cy^2+(a-1)y-(b+2)=0. Thanks for your help.
Click here to see answer by MathLover1(20849)

Question 945646: How would I simplify this expression √3xy*√27xy? This is what I did, I multiplied both √3*√27 and I got √81 and the cubed of 81 is 9. I think my answer would be 9x^2y^2. Am I correct?
Click here to see answer by Theo(13342)

Question 945668: 12+4x+4=4(3+x+4)
True or false
Click here to see answer by TimothyLamb(4379)

Question 945675: (-3a^2b^4+4ab^2+8ab)-(5a^2b^4+7ab^2-ab)
Click here to see answer by MathLover1(20849)

Question 945649: How would I divide this expression 1/√2+3? This is what I 1/√5 (√5/√5), 1√5/√5√5 and my answer is 1√5/5, am I right?
Click here to see answer by Alan3354(69443)

Question 945648: How would I multiply this expression (√a+√2b)(√a-√2b)? This is what I have 2ba-2b^2.
Click here to see answer by Alan3354(69443)

Question 945648: How would I multiply this expression (√a+√2b)(√a-√2b)? This is what I have 2ba-2b^2.
Click here to see answer by MathTherapy(10551)

Question 945670: 6m -5n if m=-11 and n=3
Click here to see answer by jim_thompson5910(35256)

Question 945630: A line m goes through the point (4,-3) and is perpendicular to the line 3x+2y=9. The point (k,k+3) lies on this perpendicular line m. Find the value of k. Thanks for your help.
Click here to see answer by lwsshak3(11628)

Question 945712: How would I divide this expression x-5/x+2 divide 2x-10/x+2? This is what I have x-5/2(x-10). Am I on the correct track?
Click here to see answer by MathLover1(20849)

Question 945712: How would I divide this expression x-5/x+2 divide 2x-10/x+2? This is what I have x-5/2(x-10). Am I on the correct track?
Click here to see answer by MathTherapy(10551)

Question 945709: How would I multiply z+3/z-4*z-4/(z+3)^2?
Click here to see answer by MathLover1(20849)

Question 945629: Given that x is not equal to 0, y is not equal to 0, and 4x+2y/3y-2x=10/3, find the ratio of x to y. Express your answer in the form a/b where a and b are integers and have no common factors. Thanks for your help.
Click here to see answer by ankor@dixie-net.com(22740)

Question 945752: How would I simplify to lowest terms 2x^2+5x-3/2x^2+x-1?
Click here to see answer by Jaquesha(1)

Question 945752: How would I simplify to lowest terms 2x^2+5x-3/2x^2+x-1?
Click here to see answer by MathTherapy(10551)

Question 945748: How would I rationalize the denominator of 1/sq rt 8-sq rt 7?
Click here to see answer by josgarithmetic(39616)

Question 945751: How would I multiply and write in lowest terms
x^2/x^2-4 * x+2/x
Click here to see answer by ankor@dixie-net.com(22740)

Question 945644: How would I simplify this expression
This is what I have and I am not sure if this right. I multiplied both √3*√9=√27 and x*x^2=x^2. My answer is 3x^2, am I right?
Click here to see answer by Edwin McCravy(20054)

Question 945747: How would I multiply and simplify 1/sqrt2+3?
Click here to see answer by Alan3354(69443)

Question 945746: How would I multiply and simplify (sqrtxy-1)(sqrtxy +2)?
Click here to see answer by Alan3354(69443)

Question 945749: How would I multiply and write in lowest terms
z+3/z-4 *z-4/(z+3)^3?

Click here to see answer by Alan3354(69443)

Question 945871: Given y=2x+1/3, find the numeric value of the expression 10/6x-9y+1. Thanks for your help.
Click here to see answer by MathLover1(20849)

Question 945869: Given f(x)=2x+1/3x-2. Find the value(s) of k for which f(2k-4) is undefined. Thanks for your help.
Click here to see answer by TimothyLamb(4379)

Question 945873: Given that x^2^n=8, find the value of the expression 3x^4^n-x^2^n-2. Thanks for your help.
Click here to see answer by MathLover1(20849)

Question 945916: A rectangle has a length of 3(x+y) and a width of 3(x-y) .Write an expression for the perimeter of that rectangle .simplify your answer
Click here to see answer by MathLover1(20849)

Question 945912: a refrigerator selling for 1087.50 has a markup of 217.50 find the markup rate
Click here to see answer by rfer(16322)

Question 945986: 2-(7x+5)=(13-3x)
Click here to see answer by rfer(16322)

Question 946054: How would I simplify this equation 7/x-1 - 3/x?
Click here to see answer by Alan3354(69443)

Question 946053: How would I add and put in lowest term 2x/x^2-25 + 10/x^2-25? This is what I have both x^2-25 would cancel out and I have 2x+10. Is my answer x+5?
Click here to see answer by Alan3354(69443)

Question 946052: How would I divide and put in lowest term x^2-y^2/x+y divide x-y/x+y?
Click here to see answer by brysca(112)

Question 946085: The product of 2 whole numbers is 14,391 and their difference is 6. What are the 2 numbers?
Click here to see answer by Fombitz(32388)

Question 946109: (2y-3)(2y-3)
Click here to see answer by Fombitz(32388)

Question 946196: Given the function f(x)=2x^2+3x-1, find the value(s) of k so that f(k+2)=-2. Express your answer(s) as an integer or decimal. Do not use fractions. Thanks for your help.
Click here to see answer by MathLover1(20849)

Question 946191: Given that a-3b/a+2b=3, find the value of a+3b/a-2b. Express your answer as an integer or common or improper fraction reduced to lowest terms. Do not use decimals. Thanks for your help.
Click here to see answer by stanbon(75887)

Question 946242: How would I simplify this expression 1/x+1 = 1/x-1? This is what I have x+1 for my answer.
Click here to see answer by Alan3354(69443)

Question 946261: Solve the system of equations by the substitution method.
y=2x+1
5y-7x=11
Click here to see answer by stanbon(75887)

Question 946264: Use the elimination method to solve the system of equations.
x+6y=33
-x+3y=3
Click here to see answer by stanbon(75887)

Question 946264: Use the elimination method to solve the system of equations.
x+6y=33
-x+3y=3
Click here to see answer by MathTherapy(10551)

Question 946270: Solve the equation (f compose g)(x) = 0. (Enter your answers as a comma-separated list.)
f(x) = x2 − x − 6, g(x) = 2x − 4
I plugged g(x) into f(x) and ended up with 2x^2-9x+3 and used the quadratic to find the solutions, but I wasn't getting the correct answer.
Click here to see answer by stanbon(75887)

Older solutions: 1..45, 46..90, 91..135, 136..180, 181..225, 226..270, 271..315, 316..360, 361..405, 406..450, 451..495, 496..540, 541..585, 586..630, 631..675, 676..720, 721..765, 766..810, 811..855, 856..900, 901..945, 946..990, 991..1035, 1036..1080, 1081..1125, 1126..1170, 1171..1215, 1216..1260, 1261..1305, 1306..1350, 1351..1395, 1396..1440, 1441..1485, 1486..1530, 1531..1575, 1576..1620, 1621..1665, 1666..1710, 1711..1755, 1756..1800, 1801..1845, 1846..1890, 1891..1935, 1936..1980, 1981..2025, 2026..2070, 2071..2115, 2116..2160, 2161..2205, 2206..2250, 2251..2295, 2296..2340, 2341..2385, 2386..2430, 2431..2475, 2476..2520, 2521..2565, 2566..2610, 2611..2655, 2656..2700, 2701..2745, 2746..2790, 2791..2835, 2836..2880, 2881..2925, 2926..2970, 2971..3015, 3016..3060, 3061..3105, 3106..3150, 3151..3195, 3196..3240, 3241..3285, 3286..3330, 3331..3375, 3376..3420, 3421..3465, 3466..3510, 3511..3555, 3556..3600, 3601..3645, 3646..3690, 3691..3735, 3736..3780, 3781..3825, 3826..3870, 3871..3915, 3916..3960, 3961..4005, 4006..4050, 4051..4095, 4096..4140, 4141..4185, 4186..4230, 4231..4275, 4276..4320, 4321..4365, 4366..4410, 4411..4455, 4456..4500, 4501..4545, 4546..4590, 4591..4635, 4636..4680, 4681..4725, 4726..4770, 4771..4815, 4816..4860, 4861..4905, 4906..4950, 4951..4995, 4996..5040, 5041..5085, 5086..5130, 5131..5175, 5176..5220, 5221..5265, 5266..5310, 5311..5355, 5356..5400, 5401..5445, 5446..5490, 5491..5535, 5536..5580, 5581..5625, 5626..5670, 5671..5715, 5716..5760, 5761..5805, 5806..5850, 5851..5895, 5896..5940, 5941..5985, 5986..6030, 6031..6075, 6076..6120, 6121..6165, 6166..6210, 6211..6255, 6256..6300, 6301..6345, 6346..6390, 6391..6435, 6436..6480, 6481..6525, 6526..6570, 6571..6615, 6616..6660, 6661..6705, 6706..6750, 6751..6795, 6796..6840, 6841..6885, 6886..6930, 6931..6975, 6976..7020, 7021..7065, 7066..7110, 7111..7155, 7156..7200, 7201..7245, 7246..7290, 7291..7335, 7336..7380, 7381..7425, 7426..7470, 7471..7515, 7516..7560, 7561..7605, 7606..7650, 7651..7695, 7696..7740, 7741..7785, 7786..7830, 7831..7875, 7876..7920, 7921..7965, 7966..8010, 8011..8055, 8056..8100, 8101..8145, 8146..8190, 8191..8235, 8236..8280, 8281..8325, 8326..8370, 8371..8415, 8416..8460, 8461..8505, 8506..8550, 8551..8595, 8596..8640, 8641..8685, 8686..8730, 8731..8775, 8776..8820, 8821..8865, 8866..8910, 8911..8955, 8956..9000, 9001..9045, 9046..9090, 9091..9135, 9136..9180, 9181..9225, 9226..9270, 9271..9315, 9316..9360, 9361..9405, 9406..9450, 9451..9495, 9496..9540, 9541..9585, 9586..9630, 9631..9675, 9676..9720, 9721..9765, 9766..9810, 9811..9855, 9856..9900, 9901..9945, 9946..9990, 9991..10035, 10036..10080, 10081..10125, 10126..10170, 10171..10215, 10216..10260, 10261..10305, 10306..10350, 10351..10395, 10396..10440, 10441..10485, 10486..10530, 10531..10575, 10576..10620, 10621..10665, 10666..10710, 10711..10755, 10756..10800, 10801..10845, 10846..10890, 10891..10935, 10936..10980, 10981..11025, 11026..11070, 11071..11115, 11116..11160, 11161..11205, 11206..11250, 11251..11295, 11296..11340, 11341..11385, 11386..11430, 11431..11475, 11476..11520, 11521..11565, 11566..11610, 11611..11655, 11656..11700, 11701..11745, 11746..11790, 11791..11835, 11836..11880, 11881..11925, 11926..11970, 11971..12015, 12016..12060, 12061..12105, 12106..12150, 12151..12195, 12196..12240, 12241..12285, 12286..12330, 12331..12375, 12376..12420, 12421..12465, 12466..12510, 12511..12555, 12556..12600, 12601..12645, 12646..12690, 12691..12735, 12736..12780, 12781..12825, 12826..12870, 12871..12915, 12916..12960, 12961..13005, 13006..13050, 13051..13095, 13096..13140, 13141..13185, 13186..13230, 13231..13275, 13276..13320, 13321..13365, 13366..13410, 13411..13455, 13456..13500, 13501..13545, 13546..13590, 13591..13635, 13636..13680, 13681..13725, 13726..13770, 13771..13815, 13816..13860, 13861..13905, 13906..13950, 13951..13995, 13996..14040, 14041..14085, 14086..14130, 14131..14175, 14176..14220, 14221..14265, 14266..14310, 14311..14355, 14356..14400, 14401..14445, 14446..14490, 14491..14535, 14536..14580, 14581..14625, 14626..14670, 14671..14715, 14716..14760, 14761..14805, 14806..14850, 14851..14895, 14896..14940, 14941..14985, 14986..15030, 15031..15075, 15076..15120, 15121..15165, 15166..15210, 15211..15255, 15256..15300, 15301..15345, 15346..15390, 15391..15435, 15436..15480, 15481..15525, 15526..15570, 15571..15615, 15616..15660, 15661..15705, 15706..15750, 15751..15795, 15796..15840, 15841..15885, 15886..15930, 15931..15975, 15976..16020, 16021..16065, 16066..16110, 16111..16155, 16156..16200, 16201..16245, 16246..16290, 16291..16335, 16336..16380, 16381..16425, 16426..16470, 16471..16515, 16516..16560, 16561..16605, 16606..16650, 16651..16695, 16696..16740, 16741..16785, 16786..16830, 16831..16875, 16876..16920, 16921..16965, 16966..17010, 17011..17055, 17056..17100, 17101..17145, 17146..17190, 17191..17235, 17236..17280, 17281..17325, 17326..17370, 17371..17415, 17416..17460, 17461..17505, 17506..17550, 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20746..20790, 20791..20835, 20836..20880, 20881..20925, 20926..20970, 20971..21015, 21016..21060, 21061..21105, 21106..21150, 21151..21195, 21196..21240, 21241..21285, 21286..21330, 21331..21375, 21376..21420, 21421..21465, 21466..21510, 21511..21555, 21556..21600, 21601..21645, 21646..21690, 21691..21735, 21736..21780, 21781..21825, 21826..21870, 21871..21915, 21916..21960, 21961..22005, 22006..22050, 22051..22095, 22096..22140, 22141..22185, 22186..22230, 22231..22275, 22276..22320, 22321..22365, 22366..22410, 22411..22455, 22456..22500, 22501..22545, 22546..22590, 22591..22635, 22636..22680, 22681..22725, 22726..22770, 22771..22815, 22816..22860, 22861..22905, 22906..22950, 22951..22995, 22996..23040, 23041..23085, 23086..23130, 23131..23175, 23176..23220, 23221..23265, 23266..23310, 23311..23355, 23356..23400, 23401..23445, 23446..23490, 23491..23535, 23536..23580, 23581..23625, 23626..23670, 23671..23715, 23716..23760, 23761..23805, 23806..23850, 23851..23895, 23896..23940, 23941..23985, 23986..24030, 24031..24075, 24076..24120, 24121..24165, 24166..24210, 24211..24255, 24256..24300, 24301..24345, 24346..24390, 24391..24435, 24436..24480, 24481..24525, 24526..24570, 24571..24615, 24616..24660, 24661..24705, 24706..24750, 24751..24795, 24796..24840, 24841..24885, 24886..24930, 24931..24975, 24976..25020, 25021..25065, 25066..25110, 25111..25155, 25156..25200, 25201..25245, 25246..25290, 25291..25335, 25336..25380, 25381..25425, 25426..25470, 25471..25515, 25516..25560, 25561..25605, 25606..25650, 25651..25695, 25696..25740, 25741..25785, 25786..25830, 25831..25875, 25876..25920, 25921..25965, 25966..26010, 26011..26055, 26056..26100, 26101..26145, 26146..26190, 26191..26235, 26236..26280, 26281..26325, 26326..26370, 26371..26415, 26416..26460, 26461..26505, 26506..26550, 26551..26595, 26596..26640, 26641..26685, 26686..26730, 26731..26775, 26776..26820, 26821..26865, 26866..26910, 26911..26955, 26956..27000, 27001..27045, 27046..27090, 27091..27135, 27136..27180, 27181..27225, 27226..27270, 27271..27315, 27316..27360, 27361..27405, 27406..27450, 27451..27495, 27496..27540, 27541..27585, 27586..27630, 27631..27675, 27676..27720, 27721..27765, 27766..27810, 27811..27855, 27856..27900, 27901..27945, 27946..27990, 27991..28035, 28036..28080, 28081..28125, 28126..28170, 28171..28215, 28216..28260, 28261..28305, 28306..28350, 28351..28395, 28396..28440, 28441..28485, 28486..28530, 28531..28575, 28576..28620, 28621..28665, 28666..28710, 28711..28755, 28756..28800, 28801..28845, 28846..28890, 28891..28935, 28936..28980, 28981..29025, 29026..29070, 29071..29115, 29116..29160, 29161..29205, 29206..29250, 29251..29295, 29296..29340, 29341..29385, 29386..29430, 29431..29475, 29476..29520, 29521..29565, 29566..29610, 29611..29655, 29656..29700, 29701..29745, 29746..29790, 29791..29835, 29836..29880, 29881..29925, 29926..29970, 29971..30015, 30016..30060, 30061..30105, 30106..30150, 30151..30195, 30196..30240, 30241..30285, 30286..30330, 30331..30375, 30376..30420, 30421..30465, 30466..30510, 30511..30555, 30556..30600, 30601..30645, 30646..30690, 30691..30735, 30736..30780, 30781..30825, 30826..30870, 30871..30915, 30916..30960, 30961..31005, 31006..31050, 31051..31095, 31096..31140, 31141..31185, 31186..31230, 31231..31275, 31276..31320, 31321..31365, 31366..31410, 31411..31455, 31456..31500, 31501..31545, 31546..31590, 31591..31635, 31636..31680, 31681..31725, 31726..31770, 31771..31815, 31816..31860, 31861..31905, 31906..31950, 31951..31995, 31996..32040, 32041..32085, 32086..32130, 32131..32175, 32176..32220, 32221..32265, 32266..32310, 32311..32355, 32356..32400, 32401..32445, 32446..32490, 32491..32535, 32536..32580, 32581..32625, 32626..32670, 32671..32715, 32716..32760, 32761..32805, 32806..32850, 32851..32895, 32896..32940, 32941..32985, 32986..33030, 33031..33075, 33076..33120, 33121..33165, 33166..33210, 33211..33255, 33256..33300, 33301..33345, 33346..33390, 33391..33435, 33436..33480, 33481..33525, 33526..33570, 33571..33615, 33616..33660, 33661..33705, 33706..33750, 33751..33795, 33796..33840, 33841..33885, 33886..33930, 33931..33975, 33976..34020, 34021..34065, 34066..34110, 34111..34155, 34156..34200, 34201..34245, 34246..34290, 34291..34335, 34336..34380, 34381..34425, 34426..34470, 34471..34515, 34516..34560, 34561..34605, 34606..34650, 34651..34695, 34696..34740, 34741..34785, 34786..34830, 34831..34875, 34876..34920, 34921..34965, 34966..35010, 35011..35055, 35056..35100, 35101..35145, 35146..35190, 35191..35235, 35236..35280, 35281..35325, 35326..35370, 35371..35415, 35416..35460, 35461..35505, 35506..35550, 35551..35595, 35596..35640, 35641..35685, 35686..35730, 35731..35775, 35776..35820, 35821..35865, 35866..35910, 35911..35955, 35956..36000, 36001..36045, 36046..36090, 36091..36135, 36136..36180, 36181..36225, 36226..36270, 36271..36315, 36316..36360, 36361..36405, 36406..36450, 36451..36495, 36496..36540, 36541..36585, 36586..36630, 36631..36675, 36676..36720, 36721..36765, 36766..36810, 36811..36855, 36856..36900, 36901..36945, 36946..36990, 36991..37035, 37036..37080, 37081..37125, 37126..37170, 37171..37215, 37216..37260, 37261..37305, 37306..37350, 37351..37395, 37396..37440, 37441..37485, 37486..37530, 37531..37575, 37576..37620, 37621..37665, 37666..37710, 37711..37755, 37756..37800, 37801..37845, 37846..37890, 37891..37935, 37936..37980, 37981..38025, 38026..38070, 38071..38115, 38116..38160, 38161..38205, 38206..38250, 38251..38295, 38296..38340, 38341..38385, 38386..38430, 38431..38475, 38476..38520, 38521..38565, 38566..38610, 38611..38655, 38656..38700, 38701..38745, 38746..38790, 38791..38835, 38836..38880, 38881..38925, 38926..38970, 38971..39015, 39016..39060, 39061..39105, 39106..39150, 39151..39195, 39196..39240, 39241..39285, 39286..39330, 39331..39375, 39376..39420, 39421..39465, 39466..39510, 39511..39555, 39556..39600, 39601..39645, 39646..39690, 39691..39735, 39736..39780, 39781..39825, 39826..39870, 39871..39915, 39916..39960, 39961..40005, 40006..40050, 40051..40095, 40096..40140, 40141..40185, 40186..40230, 40231..40275, 40276..40320, 40321..40365, 40366..40410, 40411..40455, 40456..40500, 40501..40545, 40546..40590, 40591..40635, 40636..40680, 40681..40725, 40726..40770, 40771..40815, 40816..40860, 40861..40905, 40906..40950, 40951..40995, 40996..41040, 41041..41085, 41086..41130, 41131..41175, 41176..41220, 41221..41265, 41266..41310, 41311..41355, 41356..41400, 41401..41445, 41446..41490, 41491..41535, 41536..41580