SOLUTION: Please help me with these. I really appreciate it. I have to solve these equations. a. index 3 (radicand x-2) = -5 b. x ^1/3 -2 = 0 Thank you for your help

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Question 546019: Please help me with these. I really appreciate it. I have to solve these equations.
a. index 3 (radicand x-2) = -5
b. x ^1/3 -2 = 0

Thank you for your help

Answer by ankor@dixie-net.com(22740)   (Show Source): You can put this solution on YOUR website!
solve these equations.
a. = -5
Cube both sides
x - 2 = -5^3
x - 2 = -125
x = -125 + 2
x = -123
Check this in the original equation
=
= -5, (the cube root of -125 is -5)
:
:
b.

cube both sides
x =
x = 8
Check in original equation

find the cube root of 8
2 - 2 = 0

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