What is the sum of the polynomials? (6x+7+x^2)+(2x^2-3) a.-x^2+6x+4 b.3x^2+6x+4 c.9x + 4 d.9x^2+4

asked Aug 10, 2022 3.1k views

1 vote

What is the sum of the polynomials? (6x+7+x^2)+(2x^2-3)

a.-x^2+6x+4
b.3x^2+6x+4
c.9x + 4
d.9x^2+4

by Yirga

4.0k points

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5 votes

Answer:

${ \tt{(6x + 7 + {x}^(2))(2 {x}^(2) - 3) }} \\ = { \tt{(2 + 1) {x}^(2) + 6x + (7 - 3) }} \\ = { \tt{3 {x}^(2) + 6x + 4 }}$

Dugla answered Aug 17, 2022

by Dugla

4.2k points

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