The sum of −2x2 + x + 31 and 3x2 + 7x − 8 can be written in the form ax2 + bx + c, where a, b, and c are constants. what is the value of a + b + c ?

Part 1)

part 2)

Step-by-step explanation:

we have

Adds the terms

Group terms that contain the same variable

Combine like terms

where

therefore

b

step-by-step explanation:

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