tmwoycik0101 tmwoycik0101
  • 07-12-2017
  • Mathematics
contestada

Simplify (-x^2 – 28x + 7) + (-7x^2 + 14x + 8).

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AnimeBrainly
AnimeBrainly AnimeBrainly
  • 08-08-2018

Add numbers with the same amount of variables

-x^2 + (-7x^2) = -8x^2

– 28x (+ 14x )= -14x

7 (+ 8) = 15

-18x² - 14x + 15 is your answer

hope this helps

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