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OpenStudy (anonymous):
Let f(x) = 2x2 − 9x and g(x) = -5x2 + 4x. Find f(x) − g(x).
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OpenStudy (anonymous):
Possible answers A. -3x2 − 13x B. -3x2 − 5x C. 7x2 − 13x D. 7x2 − 5x
OpenStudy (campbell_st):
so you are looking at \[2x^2 - 9x - (-5x^2 + 4x)\] which becomes \[2x^2 - 9x + 5x^2 - 4x\] just collect the like terms
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