SOLUTION: x squared minus 8x equals -7

SOLUTION: x squared minus 8x equals -7

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Question 587406: x squared minus 8x equals -7
Answer by dfrazzetto(283) (Show Source): You can put this solution on YOUR website!
x^2 - 8x = -7
intuition tells us x might be 7, but let's find out:
x^2 - 8x + 7 = 0
factors:
(x - 7)(x - 1) = 0
x = 1, 7
1 and 7 are both answers
CHECK:
1 - 8 = -7
49 - 56 = -7

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