andrewhiramjohnson andrewhiramjohnson
  • 19-05-2017
  • Mathematics
contestada

3x^2 (x^2 - 4x - 2) + (5x^3 + 7x^2+2x+11) plz show work

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tazariah22
tazariah22 tazariah22
  • 19-05-2017

Let's simplify step-by-step.

3x2(x2−4x−4)+5x3+7x2+2x+11

Distribute:

=(3x2)(x2)+(3x2)(−4x)+(3x2)(−4)+5x3+7x2+2x+11

=3x4+−12x3+−12x2+5x3+7x2+2x+11

Combine Like Terms:

=3x4+−12x3+−12x2+5x3+7x2+2x+11

=(3x4)+(−12x3+5x3)+(−12x2+7x2)+(2x)+(11)

=3x4+−7x3+−5x2+2x+11

Answer:

=3x4−7x3−5x2+2x+11

 

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