SOLUTION: Evaluate 4cd+c when c = -9 and d=-8

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Question 67587: Evaluate 4cd+c when c = -9 and d=-8
Answer by tutorcecilia(2152) About Me  (Show Source):
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4cd+c
4(-9)(-8)+(-9) [Substitute c = -9 and d=-8]
(-36)(-8)+(-9) [Simplify]
288+(-9)
279