62.7k views
3 votes
(−10x^2+9)+(8x^2 −5x+7)

User FelisCatus
by
6.0k points

1 Answer

5 votes

Answer:

-2x^2-5x+16

Explanation:

Remove parenthesis:

-10x^2+9+8x^2-5x+7

Combine like terms:

-10x^2+8x^2-5x+9+7

= -2x^2-5x+9+7

=-2x^2-5x+16

User Jitendra Popat
by
7.5k points
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