rebekahc1999 rebekahc1999

11-10-2017
Mathematics

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Let f(x) = 2x2 − 9x and g(x) = -5x2 + 4x. Find f(x) − g(x).

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choixongdong choixongdong

11-10-2017

f(x) − g(x) = 2x^2 − 9x - ( -5x^2 + 4x)
f(x) − g(x) = 2x^2 − 9x + 5x^2 - 4x
f(x) − g(x) = 7x^2 - 13x

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