(10x 2 +5x-3)+( 7x 2 -2x+7)

asked Sep 15, 2021 78.4k views

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2 votes

Answer:

3x+38

Explanation:

1. (10x2 +5x-3)+(7x2 -2x+7) : rewrite problem

2. (20+5x-3)+(14-2x+7) : PEMDAS (10x2=20 and 7x2=14)

3. (5x+17)+(-2x+21) : PEMDAS (20-3=17 and 14+7=21)

4. 3x+38 : Combine like terms

Abalta answered Sep 20, 2021

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