Questions on Algebra: Radicals -- complicated equations involving roots answered by real tutors!

Tutors Answer Your Questions about Radicals (FREE)

Question 416819: x = √ (16x + 225)
Click here to see answer by Edwin McCravy(20054)

Question 416838: Is (x√2)/6 the same as x/6√2 ?
Click here to see answer by stanbon(75887)

Question 416906: I need help solving this showing the steps? x+4=4sqrt(x+1)
Click here to see answer by MathLover1(20849)

Question 416907: I need help on how to solve this problem? x=sqrt(2t/k)
Click here to see answer by Alan3354(69443)

Question 416904: sqrt(x=7)=x-5 Can you please help me solve this showing the steps?
Click here to see answer by Alan3354(69443)

Question 416979: solve using the elimination method calculator 3x + 5y = -5; -6x -10y = -10
Click here to see answer by MathLover1(20849)

Question 417046: i need to simplify:
sgrt: 18 x^2 y^3
please show exactly what you did
Click here to see answer by MathLover1(20849)

Question 417115: Solve for x: √(x+7)=x-5
Click here to see answer by stanbon(75887)

Question 417119: how do you type the radical sign on the computer

Click here to see answer by stanbon(75887)

Question 417252: Please help me find the radical of 440, 540, and 640. Please i need your help ASAP.
Click here to see answer by praseenakos@yahoo.com(507)

Question 417252: Please help me find the radical of 440, 540, and 640. Please i need your help ASAP.
Click here to see answer by edjones(8007)

Question 417516: I need help I am so confused. I need to solve for k? if x=sqrt(2t/k)
Click here to see answer by stanbon(75887)

Question 417517: I need help solving this problem and the steps needed to use? sqrt(2x-1)+2=x
Click here to see answer by ewatrrr(24785)

Question 417602: What number is midway between 2/3 and 1?
Click here to see answer by MathLover1(20849)

Question 417718: Solve for x: x+4=4√(x+1)
Click here to see answer by robertb(5830)

Question 417717: Solve for x: √(x+7)=x-5
Click here to see answer by robertb(5830)

Question 417716: Simplify: √(x^2+2x+1)
Click here to see answer by robertb(5830)

Question 417784: I need help to simplify the following:
2 radical 3x times radical 51x to the third
Thank you for your help
Click here to see answer by MathLover1(20849)

Question 418058: cubic root of 1000x^11/y^3
Click here to see answer by stanbon(75887)

Question 418463: how would you solve this problem??

(4y + radical 3)(2y - radical 3)
Click here to see answer by stanbon(75887)

Question 418463: how would you solve this problem??

(4y + radical 3)(2y - radical 3)
Click here to see answer by algebrahouse.com(1659)

Question 418540: x^3+2x^2=16x+32
Click here to see answer by dnanos(83)

Question 418543: 2x(x+3)=-5x-15
Click here to see answer by mananth(16946)

Question 418965: 2x2-10=40

Click here to see answer by rfer(16322)

Question 418961: my question is how do u round to nearst unite

Click here to see answer by rfer(16322)

Question 419751: 6 radical 128 + 3 radical 8
Click here to see answer by jsmallt9(3758)

Question 420320:
Click here to see answer by algebrahouse.com(1659)

Question 420423: solve the equation x+10= 10√x+1
Click here to see answer by Gogonati(855)

Question 420394: Solve using the quadratic formula and leave the answer in radical form:
y^2+6y-1=0
Click here to see answer by MathLover1(20849)

Question 420394: Solve using the quadratic formula and leave the answer in radical form:
y^2+6y-1=0
Click here to see answer by richard1234(7193)

Question 420428: How do I simplify a radical with a variable and exponent?
Click here to see answer by MathLover1(20849)

Question 420490: ok, how do you do thi cas i dont get it .... the square root of 5 over 2
Click here to see answer by Alan3354(69443)

Question 420696: hello , can you please help me on this equation .
Find the perimeter and area of the rectangle with length of 8 sqrt (7) inches and width of 2 sqrt (7) - 3 sqrt(5) inches.
Click here to see answer by stanbon(75887)

Question 420911: I need to find the weekly salary and commission RATE of this problem. Total compensation one week (salary+commission) on sales of $4000 is $660. The next week his total compensation on sales of $6000 was $740.
I know that you take the total sales and multiply it by the total commission rate variable (i used "y" for commission and "x" for weekly salary) but I can't figure out how to write the equation correctly.
Click here to see answer by josmiceli(19441)

Question 420909:
This is the problem I am trying to work out. I have tried foiling, quadratic equation, completing the square, but I am not coming up with a good answer. If you could help me I would appreciate it. I don't want to know the answer as much as how to do it.
Click here to see answer by ankor@dixie-net.com(22740)

Question 421416: HELP...complex fractions:
3
____________
w+ 3w
______
4+ 1
_______
w+1(1
Click here to see answer by dnanos(83)

Question 421869: change to radical form m⅔

Click here to see answer by Theo(13342)

Question 422104:
(5a√ab)^2
I think the answer is 25a^2√ab^2....but I also think I am wrong :-(
Click here to see answer by shree840(260)

Question 422108: (√2t^5)(√10t^4)

I'm not sure how to figure out the powers in this one.
My guess is √20t^9? Am I correct?
Click here to see answer by shree840(260)

Question 422140: what is (5radicand2 + 3radicand5)(2radicand10 - 5)
im helping my daughter and I can not fiqure this one out
Click here to see answer by stanbon(75887)

Question 422153: (3-2√7)(3+2√7)
Click here to see answer by unlockmath(1688)

Question 422153: (3-2√7)(3+2√7)
Click here to see answer by jsmallt9(3758)

Question 422280: How do you find the square root of a number? Also, how can you identify the square root as rational or irrational?
Click here to see answer by richard1234(7193)

Question 422167: x^2+x+(√x^2+x)-2=0
I'm thinking this can be re-written as 2x^2+(√2x^2)-2=0 but I'm completely confused in all of this. At some point, don't I need to balance the right and the left side of the equation?
Click here to see answer by ankor@dixie-net.com(22740)

Question 422530: simplify: x^2+5x-6 divided by x^2-36
Click here to see answer by ewatrrr(24785)

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