Question 538030
2x^2 -7 = 59
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2x^2 -66 = 0
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x^2 -33 = 0
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(x + sqrt(33))*(x - sqrt(33)) = 0
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x = + or - sqrt(33)
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Check the answer
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x^2 = (sqrt(33)^2 = 33^(1/2)^2 = 33
2*33 = 66
66-7 = 59
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Answer:  x = + or - sqrt(33)