lexitullockk lexitullockk

26-03-2020
Mathematics

contestada

how to solve and the answer

how to solve and the answer class=

Respuesta :

Аноним Аноним

26-03-2020

Answer:C

Step-by-step explanation:

=-[(5x^3+3x^2-7x)+(3x^3-5x^2-2)-(-9x^2+8)]

=-[(5x^3+3x^2-7x)+(3x^3-5x^2-2)+9x^2-8]

=-[(5x^3+3x^3)+(3x^2-5x^2+9x^2)-7x-(2+8)]

=-[8x^3+7x^2-7x-10]

= -8x^3-7x^2+7x+10

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litzy10014 litzy10014

26-03-2020

Answer:

Step-by-step explanation:

lol

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