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which expression is equivalent to (5x2 + 2x + 1) + (6x2 − 3x + 9) -A. -3x2 + 11x − 3 B. 11x2 − x + 10 C. 4x2 + 27x − 28 D. -3x2 + 11x + 31
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which expression is equivalent to (5x2 + 2x + 1) + (6x2 − 3x + 9) -A. -3x2 + 11x − 3 B. 11x2 − x + 10 C. 4x2 + 27x − 28 D. -3x2 + 11x + 31

User Kershaw
by
5.2k points

1 Answer

6 votes

Answer:

B. 11x^2 − x + 10

Explanation:

(5x^2 + 2x + 1) + (6x^2 − 3x + 9)

I like to line them up vertically

(5x^2 + 2x + 1)

+ (6x^2 − 3x + 9)

---------------------------

11 x^2 - x + 10

User Inperspective
by
5.1k points
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