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OpenStudy (anonymous):
evaluate -5x^2-3x for x=-2
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Miracrown (miracrown):
Would you like to try this one first?
jimthompson5910 (jim_thompson5910):
I'll show you how to evaluate -5x^2-3x for x = -7 -5x^2-3x -5(-7)^2-3(-7) ... replace EVERY x with -7 -5(49)-3(-7) -245+21 -224 So that means -5x^2-3x = -224 when x = -7 The value -224 is NOT the answer because it's just a similar example to show you how this all works.
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