SOLUTION: I am trying to solve the following question: Solve the following quadratic equation by factoring: X^2 - 8 + 7 = 0 Thank you - I have looked at this for 2 hours and looking at

Algebra ->  Algebra  -> Quadratic Equations and Parabolas  -> Quadratic Equation Customizable Word Problems -> SOLUTION: I am trying to solve the following question: Solve the following quadratic equation by factoring: X^2 - 8 + 7 = 0 Thank you - I have looked at this for 2 hours and looking at      Log On

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Question 21408: I am trying to solve the following question: Solve the following quadratic equation by factoring:
X^2 - 8 + 7 = 0 Thank you - I have looked at this for 2 hours and looking at book is not helping. I dont read well.
Answer by elima(1433) About Me  (Show Source):
You can put this solution on YOUR website!
X^2 - 8 + 7 = 0
add
-8+7=-1
x%5E2-1=0
factor;
(x+1)(x-1)=0
solve each side;
x+1=0
x=-1
x-1=0
x=1
so your answer;
x=-1 or x=1
hope you understand
=)