If f(x) = (2x - 3)^2 and g(x) = 2x^2+x-1, find f(x) + g(x). A. 6x^2 - 10 + 9 B. 6x^2-10x + 8 C. 5x^2 - 10x + 7 D. 6x^2 - 11x + 8

Lavenda asked Nov 13, 2023

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22 votes

If f(x) = (2x - 3)^2 and g(x) = 2x^2+x-1, find f(x) + g(x).

A. 6x^2 - 10 + 9
B. 6x^2-10x + 8
C. 5x^2 - 10x + 7
D. 6x^2 - 11x + 8

Lavenda asked Nov 13, 2023

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29 votes

Answer:

6x^2 - 11x + 8

Explanation:

(2x-3)^2 + 2x^2+x-1

You do the square expression

= (2x-3)(2x-3) + 2x^2+x-1

Then you plus or subtract the same variables

= 4x^2 - 12x + 9 + 2x^2 + x - 1

= 6x^2 - 11x + 8

Sayog answered Nov 17, 2023

by Sayog

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