SOLUTION: HOW DO YOU SOLVE THE QUESTION: What are the roots of the function y=x^2+4x-45. i tried squaring but it doesnt factor.

SOLUTION: HOW DO YOU SOLVE THE QUESTION: What are the roots of the function y=x^2+4x-45. i tried squaring but it doesnt factor.

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Question 129566: HOW DO YOU SOLVE THE QUESTION: What are the roots of the function y=x^2+4x-45.
i tried squaring but it doesnt factor.
Answer by scott8148(6628) (Show Source): You can put this solution on YOUR website!
the roots are the values of x that make the value of the function zero
__ the points on the graph of the function where it crosses the x-axis

0=x^2+4x-45

factoring __ 0=(x+9)(x-5)
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