SOLUTION: using factoring to solve the quadratic equation. x2-x-72=0 check by substitution or by using a graphing utility and identifying x-intercepts the solution set is?

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Question 302200: using factoring to solve the quadratic equation.
x2-x-72=0
check by substitution or by using a graphing utility and identifying x-intercepts
the solution set is?
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
Hint: 72 = 8*9