2 years ago

Help please I don’t know what to do

Mathematics

2 answers:

Zepler [3.9K]2 years ago

6 0

Answer:

Step-by-step explanation:

Combine Like terms

sammy [17]2 years ago

5 0

Answer:

The answer is letter B

Step-by-step explanation

Simply combine like terms in which

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

8x + 4x = 12x

-9 + 2 = 7

So we come up with the answer of the option letter B

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