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

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 Algebra: Radicals -- complicated equations involving roots Solvers Lessons Answers archive Quiz In Depth

 Question 383298: Which of the following is the correct solution to the equation x^2-4x+6=0? Explain why the other solutions are wrong. a) Solution 1 x = 4±(√4^2-4•1•6)/2 x = 4±√-8/2 x = 2±√-4 x = 2±2i b) Solution 2 x = 4±(√4^2-4•1•6)/2 x = 4±√-8/2 x = 2±√-8 x = 2±2i√2 c) Solution 3 x = 4±(√4^2-4•1•6)/2 x = 4±√-8/2 x = 4±2i√2/2 x = 2±2i√2 Click here to see answer by Alan3354(30993)

 Question 383750: for the problem: (3^√x)(5^√3x) i got 15√3x^8. please tell me if this is correct.?? Click here to see answer by jsmallt9(3296)

 Question 383552: simplify by factoring assume that all expressions under the radical represent nonnegative numbers. 4^√243x^8y^10 Click here to see answer by jsmallt9(3296)

 Question 383557: rationalize the denominator. assume that all expressions under the radical represent positive numbers. √16/9xy^2 Click here to see answer by jsmallt9(3296)

 Question 383831: I need help figuring out how to do these kind of problems. I have a test tomorrow and need to know how. So just an answer will not help. PLEASE HELP ME! THe cubed root of 60 over the cubed root of 36. Click here to see answer by mananth(12270)

 Question 384574: I am supposed to be dividing equations. heres my problem (x2-4) / (x-2) Click here to see answer by nerdybill(6962)
 Question 384574: I am supposed to be dividing equations. heres my problem (x2-4) / (x-2) Click here to see answer by Alan3354(30993)

 Question 384955: need help write the function f(x)=-5xSquared -60x-181 in vertex form and identify its vertex Click here to see answer by ewatrrr(10682)

 Question 385235: Solve for x: x+4=4√(x+1) I'm not sure how to do this problem. I first subtracted 4 from both sides to get X on the left and after that I am not sure what to do. Click here to see answer by Fombitz(13828)

 Question 386862: how do i simplify the square root of 24 over 27(24/27) Click here to see answer by robertb(4012)

 Question 386903: how do you slimpify the 3rd root of -216? Click here to see answer by rapaljer(4667)

 Question 387467: Can you help me solve this? sr = square root sr x + 12 = x Click here to see answer by stanbon(57377)

 Question 387465: Can you help me rewrite this into a simpler radical term? sr = square root 3sqrt(5)(5sqrt(3) + 2sqrt(12)) Click here to see answer by edjones(7569)