SOLUTION: -x+xsquared=56 i've tired to solve it but i got confused because of the x's.
please help me solve the equation by factoring.
Algebra.Com
Question 119091: -x+xsquared=56 i've tired to solve it but i got confused because of the x's.
please help me solve the equation by factoring.
Answer by tutorcecilia(2152) (Show Source): You can put this solution on YOUR website!
-x+xsquared=56
=56
=0 [subtract 56 from both sides; set the equation equal to zero]
(x-8)(x+7)=0 [factor]
x-8=0 [set each factor equal to zero and solve for the x-value]
x=8
and
x+7=0
x=-7
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