SOLUTION: simplify 121-x squared over x squared+15+44

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Question 434008: simplify 121-x squared over x squared+15+44
Answer by katealdridge(100) About Me  (Show Source):
You can put this solution on YOUR website!
I'm assuming you mean:
%28121-x%5E2%29%2F%28x%5E2%2B15x%2B144%29
This is factoring-
%28%2811-x%29%2811%2Bx%29%29%2F%28%28x%2B11%29%28x%2B4%29%29 Note-if you FOIL these back, you'll see you get the original polynomials.
%2811-x%29%2F%28x%2B4%29 The 11+x cancels with the x+11