Questions on Algebra: Square root, cubic root, N-th root answered by real tutors!

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 Algebra: Square root, cubic root, N-th root Solvers Lessons Answers archive Quiz In Depth

 Question 382368: Solve the equation. Sqrt(x^2 - 24) = Sqrt(x + 6) I am lost on this one. I came up with no solution..not sure if its right. Click here to see answer by jsmallt9(3296)

 Question 382961: Multiply, and simplify if possible. "V" is a square root (V7+8)(V7-4) Click here to see answer by Fombitz(13828)

 Question 383083: 4 square root 8 I don't understand how this is simplified into 8 square root 2. Please explain. Thank you! Click here to see answer by ankor@dixie-net.com(15645)

 Question 383431: Solve the equation. the square root + 5 = 5 Click here to see answer by Fombitz(13828)

 Question 384671: (square root of 2x) plus 1 equals x minus three solve for x Click here to see answer by edjones(7569)

 Question 384837: Solve the following for z: sqrt 3x-2y=sqrt z+2 Click here to see answer by stanbon(57282)

 Question 385215: Simplify: square root (8xy^4z^3) times square root (2xyz^5) Click here to see answer by stanbon(57282)

 Question 385893: hey i need help simplifying this problem im really confused on how to do it below is a picture of the problem i saved to my computer its a two square roots being multiplied together http://i51.tinypic.com/30w9r7p.gif Click here to see answer by mananth(12270)

 Question 386014: (square root of 2x + 1) +1 = 7 Click here to see answer by unlockmath(1599)

 Question 386369: Two terms of an arithmetic sequence are a9 = 85 and a30 = 295. Find a rule for the nth term. Click here to see answer by scott8148(6628)

 Question 386768: my question is my class is on n-th roots i understand it but it started to get hard how can i get help Click here to see answer by rapaljer(4667)

 Question 386895: Solve the following for x: Square root of 15x-11=x-3 Click here to see answer by robertb(4012)

 Question 387677: what is the answer to this question : the square root of 50 times the square root of 2? Click here to see answer by rfer(12654)
 Question 387677: what is the answer to this question : the square root of 50 times the square root of 2? Click here to see answer by rapaljer(4667)

 Question 387743: Multiply (4√(5)-12√(7))*(5√(5)+15√(7)) I honestly don't even know where to start!! Click here to see answer by Alan3354(30993)

 Question 387744: Add. Simplify if possible (3r)/(r^(2)-25) + (r)/(r-5) for this I ended up with r(r+8)/(r-5)(r+5) is this right??? Click here to see answer by Alan3354(30993)

 Question 387818: describe how to simplify each expression. * 16^1/2 and the square root of 100 Click here to see answer by stanbon(57282)

 Question 387983: Determine a rule for the nth term of the sequence. Then find a17. 86, 82, 78, 74, 70 ... a17 =? Click here to see answer by robertb(4012)

 Question 387742: Simplify by taking roots of the numerator and the denominator. Assume that all expressions under radicals represent positive numbers. ³√27x^8/y³ For this I ended up with (3x^2/y)³√3x^2 Is this right? Click here to see answer by jsmallt9(3296)

 Question 388280: Simplify the expression. Assume that the variable represents a positive number, so that no absolute symbols are needed. sqrt18a^3 - a sqrt128a When I tried, once I got 8 sqrt 2a, and then the next 3a sqrt of 2a Can you help me? Click here to see answer by Fombitz(13828)
 Question 388280: Simplify the expression. Assume that the variable represents a positive number, so that no absolute symbols are needed. sqrt18a^3 - a sqrt128a When I tried, once I got 8 sqrt 2a, and then the next 3a sqrt of 2a Can you help me? Click here to see answer by stanbon(57282)

 Question 388546: sqrt of 12x to the 7th power x w to the 10th power Click here to see answer by jim_thompson5910(28536)

 Question 388814: what is the complete solution of the squareroot of 78? Click here to see answer by Alan3354(30993)