SOLUTION: x(x-15)+56=0

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Question 91016: x(x-15)+56=0
Answer by checkley75(3666) About Me  (Show Source):
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X(X-15)+56=0
X^2-15X+56=0
(X-7)(X-8)=0
X-7=0
X=7 ANSWER.
X-8=0
X=-8 ANSWER.