cristyccn cristyccn

07-10-2020
Mathematics

contestada

substract the polynomials and simplify (-3r2-2r-4)-(9r2+7r+2)

Respuesta :

laneylore laneylore

07-10-2020

Answer:

-12r2-9r-6

Step-by-step explanation:

-distribute the subtraction symbol to the second group of numbers

-(9r2+7r+2) = (-9r2-7r-2)

-then combine each term together (-3r2-2r-4)+(-9r2-7r-2)

= -12r2-9r-6

HOPE THIS HELPS!!

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