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How to solve and the answer

How to solve and the answer-example-1
User Darasd
by
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2 Answers

1 vote

Answer:

Explanation:

lol

User Santiago Rivas
by
5.9k points
4 votes

Answer:C

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

User SoSimple
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