Solving Quadratic Equations by the Square Root Method

4(x-1)^2=23
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1 Answer

4(x - 1)^2 = 23  4 is 2^2 now take the square root of both sides.  There are two answers positive and negative.

2(x - 1) = +or- sqrt(23)

x - 1 = +or- sqrt(23)/2

x = 1 +or- sqrt(23)/2

by Level 10 User (55.7k points)

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