Mathematics
Emma126
2016-04-20 22:32:12
What is the product? (9t − 4)(−9t − 4) −81t2 − 16 −81t2 + 16 −81t2 − 72t + 16 −81t2 + 72t + 16
ANSWERS
Rudy135
2016-04-21 02:22:42

(9t-4)(-9t-4)=-81t^2+16

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