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OpenStudy (anonymous):
If P(x) = 4x3 - 5x2 + 8x + 7, find P(-3).
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OpenStudy (saifoo.khan):
Substitute -3 instead of x.
OpenStudy (callisto):
P(-3) = 4(-3)^3 - 5(-3)^2 + 8(-3) + 7 = -108 - 45 -24 +7 = -170
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