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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):
ahhh, use astrics for multiply when your using the variable X in the equation!
OpenStudy (anonymous):
f(x)-g(x)=2x²-9x+5^²-4x=7x²-13x
OpenStudy (anonymous):
oh, those are just missing exponents, that makes more sense i guess
OpenStudy (amistre64):
the ghosts of exponents past....
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