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Darina [25.2K]
3 years ago
10

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

Mathematics
1 answer:
mina [271]3 years ago
6 0

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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