SOLUTION: Solve equation by taking square roots.
2x^2 - 7 = 59
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Question 538030: Solve equation by taking square roots.
2x^2 - 7 = 59
Answer by oberobic(2304) (Show Source): You can put this solution on YOUR website!
2x^2 -7 = 59
.
2x^2 -66 = 0
.
x^2 -33 = 0
.
(x + sqrt(33))*(x - sqrt(33)) = 0
.
x = + or - sqrt(33)
.
Check the answer
.
x^2 = (sqrt(33)^2 = 33^(1/2)^2 = 33
2*33 = 66
66-7 = 59
.
Answer: x = + or - sqrt(33)
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