dereke8 dereke8
  • 09-07-2017
  • Mathematics
contestada

what is the factorization of the polynomial below? -x^2-13x-40

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cookkiessssssss cookkiessssssss
  • 09-07-2017
First take the negative sign out to get -(x^2+13x+40)

Which two numbers add to be 13 and multiply to be 40? If you give it some thought, you'll see that 8 and 5 satisfy these requirements. Then factor it. 

Your answer should be: -(x+5)(x+8)
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