SOLUTION: x^2-x=56

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Question 64569This question is from textbook Intermediate Algebra
: x^2-x=56 This question is from textbook Intermediate Algebra

Answer by 303795(602) About Me  (Show Source):
You can put this solution on YOUR website!
x%5E2-x=56
Get all the terms on one side of the equation
x%5E2-x-56=56-56
x%5E2-x-56=0
Factorise the left hand side of the equation
%28x-8%29%28x%2B7%29=0
Either (x-8)=0 or (x+7)=0
ie x=8 or x=-7