gabriellacuz9 gabriellacuz9
  • 08-10-2020
  • Mathematics
contestada

Subtract 5x ^ 2 + 2x - 11 from 3x ^ 2 + 8x - 7 . Express the result as a trinomial.

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codandgtamaster888
codandgtamaster888 codandgtamaster888
  • 08-10-2020

Answer:

2x2−6x−4

Step-by-step explanation:

Let's simplify step-by-step.

5x^2+2x−11−(3x^2+8x−7)

Distribute the Negative Sign:

=5x^2+2x−11+−1(3x^2+8x−7)

=5x^2+2x+−11+−1(3x^2)+−1(8x)+(−1)(−7)

=5x^2+2x+−11+−3x^2+−8x+7

Combine Like Terms:

=5x^2+2x+−11+−3x^2+−8x+7

=(5x^2+−3x^2)+(2x+−8x)+(−11+7)

=2x^2+−6x+−4

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