callierichard callierichard

11-05-2021
Mathematics

contestada

(−10x^2+9)+(8x^2 −5x+7)

Respuesta :

11-05-2021

Answer:

-2x^2-5x+16

Step-by-step 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

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