slumpedzeke76 slumpedzeke76

04-12-2020
Mathematics

contestada

plz help with this math problem

plz help with this math problem class=

Respuesta :

Imstillhuman Imstillhuman

04-12-2020

Answer:

D. -3r^2 + 11r + 9

Step-by-step explanation:

8r + 4r^2 + 3r + 9 - 7r^2

shift somethings around so it's easier to tell

4r^2 - 7r^2 + 8r + 3r + 9

simplify/add

-3r^2 + 11r + 9

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