Questions on Algebra: Polynomials, rational expressions and equations answered by real tutors!

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Algebra: Polynomials, rational expressions and equations

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Question 240341: what does it mean when it asks for me to give the degree of the answer? my answer is -7x+x2+17

Click here to see answer by Alan3354(6059)

Question 241242: Okay, I'm lost on this one, I've tried it a few different ways and my program keeps telling me I have the wrong answer. Any suggestions?
Factor a quadratic polynomial in two variables.
2x^2+7xy-15y^2
Thanks so much for any help!
Click here to see answer by checkley77(7035)

Question 241220: Perform the indicated operations and simplify.
x^2/3x^2-5x-2-2x/3x+1∙1/(x-2)
Click here to see answer by jsmallt9(590)

Question 241220: Perform the indicated operations and simplify.
x^2/3x^2-5x-2-2x/3x+1∙1/(x-2)
Click here to see answer by stanbon(26252)

Question 241131: Solve. (This one is really hard!)
3a-5/a^2+4a+3 + 2a+2/a+3 = a-3/a+1
Click here to see answer by ankor@dixie-net.com(6691)

Question 241180: a decorator plans to place a rug in a room 9m by 12m in such a way that a uniform strip of flooring around the rug will remain uncovered. if the rug is to cover half the floor space, what should the dimensions of the rug be?
Click here to see answer by solver91311(5072)

Question 241098: 8x^4-27x+16x^3-54 I need help factoring this :-)
Click here to see answer by jsmallt9(590)

Question 241092: Can someone help me with this one and show the work? Thanks
(a^2-21)/(a-5)
Click here to see answer by Alan3354(6059)

Question 241103: please help me with factoring- 16x^4y-y^5
Click here to see answer by vleith(1977)

Question 241088: The time t required to drive a fixed distance varies inversely as the speed r. It takes 5 hrs at 55 mph to drive a fixed distance. How long would it take at 40 mph?
Click here to see answer by nyc_function(260)

Question 241024: I need help on factor by grouping y^2-6y+4y-24
Click here to see answer by checkley77(7035)

Question 241005: -16+z=-8
Click here to see answer by dspence(2)

Question 241083: I have to combine like terms or equation. I want to know did I do this promblem right 4+4+9x+10x=8+19x
Click here to see answer by nyc_function(260)

Question 241044: Simplify if possible
(-2)/(y^2-9)+4y/((y-3)^2)+6/(3-y)

Click here to see answer by jsmallt9(590)

Question 240938: could someone help me solve for x in this expression?
x+1/x+5=x+2/x+4 I am still struggling.
Click here to see answer by ankor@dixie-net.com(6691)

Question 240970: what is 9x^4-4y^2 completely factored?
Click here to see answer by Earlsdon(4898)

Question 240970: what is 9x^4-4y^2 completely factored?
Click here to see answer by stanbon(26252)

Question 240870: (x+1)(x-1)
Click here to see answer by checkley77(7035)

Question 240871: (x+1)(x-1)
Click here to see answer by checkley77(7035)

Question 240878: (x+1)(x-1)
Click here to see answer by checkley77(7035)

Question 240914: Factor.
x^2 –3xy -18y^2
Click here to see answer by edjones(3291)

Question 240919: Multiply and simply:
2x(x-2)(x+2)
So far I did 2x^3 but i need help from that point on..please and thanks!
Click here to see answer by Earlsdon(4898)

Question 240921: Factor:
3x^4-81
Click here to see answer by Earlsdon(4898)

Question 240898: need to solve this problem but have no idea where to start
12(a+b)^2 + 29(a+b) + 15
Click here to see answer by stanbon(26252)

Question 240909: How do you solve
(px+q)(2x+5)=6xx+11x+r
Click here to see answer by solver91311(5072)

Question 240891: I cannot seem to figure out how this expression was simplified. Could someone show me how it was done?
x^2+4x+3=x^2+6x+8 simplified = -2x=5 which the solution is -5/2 I need to know how this was done. Thanks. I have a hard time simplifying.
Click here to see answer by stanbon(26252)

Question 240841: Solve by factoring: 5x^2=10x

Click here to see answer by rapaljer(3610)

Question 240663: 9/x-4 = 9x+36/?
How will I solve if neither of the numerator or the denominator is missing?
Click here to see answer by vleith(1977)

Question 240598: Grouping:
x^3+x^2+x+1
Click here to see answer by rapaljer(3610)

Question 240609: Find the Polynoial of lowest degree that has the zeros, 4,-4, 1, -1.

Click here to see answer by rapaljer(3610)

Question 240640: Please help me figure this problem. I am new to Algebra so I have no clue. The problem is: Find the equation for the line with the given properties. Perpendicular to the line -5x-y=7; containing the point (0, -7/5)
Thank-you very much
Click here to see answer by rapaljer(3610)

Question 240597: Quadratic Trinomials : Factor each polynomial completely.

x^2-5x+4
Click here to see answer by stanbon(26252)

Question 240560: Factor this equation:
2pq-4p^2+2pr
I am trying to help my son and am totally lost.
Click here to see answer by scott8148(3382)

Question 240538: Please help me out with this equation:

7/8 - 2/11 = x/44

I multiplied the two sides by the LCD, and ended up with a fraction that could not be reduced, but the question was asking for an answer in reduced form.
Please help me! It would be greatly appreciated!
Click here to see answer by scott8148(3382)

Question 240497: a natural number greater than one that is divisible only by one and itself is said to be this.
Click here to see answer by jsmallt9(590)

Question 240452: I have been trying to simplify this problem, but I am not sure where to start. Any help would be greatly appreciated. The problem is:
x-1/x^2+1 times x^4-1/(x-1)^2 times x^2-1/x^4-2x^2+1
Thank you for your time.
Click here to see answer by stanbon(26252)

Question 240211: Help me solve this polynomial inequality
Click here to see answer by ankor@dixie-net.com(6691)

Question 240266: Which of the following is a factor of the polynomial x2 - x - 20 ?
Click here to see answer by stanbon(26252)

Question 240265: What is the sum of the polynomials 3a2b + 2a2b2 and -ab2+a2b2?
Click here to see answer by stanbon(26252)

Question 240170: it says max went shopping and spent 3/7 of his money on a new pair of shoes.Then he spends 2/5 of his money on a new shirt. what fraction of his money did max spend?
Click here to see answer by solver91311(5072)

Question 240017: Determine whether the given value of x is a root of the given polynomial equation.
-2+x+2x^2-x^3=0, x=-1
Click here to see answer by JimboP1977(75)

Question 239942: The speed of light in a vacuum is 299,792,458 meters per second. Write the formula in scientific notation.

Click here to see answer by checkley77(7035)

Question 239949: The speed of light in a vacuum is 299,792,458 meters per second. Write the formula in scientific notation.

Click here to see answer by checkley77(7035)

Question 239926: how do i find all double roots of
s^3-27s=0 showing all the steps?
Click here to see answer by RAY100(1637)

Question 239908: please help me solve this equtaion:
Click here to see answer by algebrapro18(206)

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