SOLUTION: What is x when (2x-3)is to the power of 2 and equals twenty five?

SOLUTION: What is x when (2x-3)is to the power of 2 and equals twenty five?

Algebra.Com

Question 228981: What is x when (2x-3)is to the power of 2 and equals twenty five?
Answer by chibisan(131) (Show Source): You can put this solution on YOUR website!
(2x-3)^2 = 25
4x^2 -12x + 9 = 25
4x^2 - 12x -16 = 0
x^2 - 3x - 4 = 0
(x+1)(x-4) = 0
x= -1 or x = 4

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