solve using Identies 1) (9x^2- 16y^2)
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Answer:
81x^2 - 288xy + 256y^2
Step-by-step explanation:
(9x-16y)^2 = (9x)^2 - 2*9x*16y + (16y)^2
= 81x^2 - 288xy + 256y^2
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