nsegloriaMega nsegloriaMega

03-11-2016
Mathematics

contestada

Subtract and simplify: (11x2 + 7) – (6x2 + 3x – 3)

A.

5x2 + 3x + 10

B.

5x2 – 3x + 10

C.

5x2 – 3x – 4

D.

17x2 + 3x – 4

Respuesta :

kingburrito kingburrito

03-11-2016

Let's simplify step-by-step.

11x2+7−(6x2+3x−3)
Distribute the Negative Sign:
=11x2+7+−1(6x2+3x−3)=11x2+7+−1(6x2)+−1(3x)+(−1)(−3)=11x2+7+−6x2+−3x+3
Combine Like Terms:
=11x2+7+−6x2+−3x+3=(11x2+−6x2)+(−3x)+(7+3)=5x2+−3x+10
Answer:B
=5x2−3x+10

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