
Arturo O. answered 06/07/20
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(8w - 9)2 = (8w - 9)(8w - 9) = (8w)2 - (8w)(9) - 9(8w) + (-9)2 = 64w2 - 144w + 81
Christopher U.
asked 10/08/17Arturo O. answered 06/07/20
Experienced Physics Teacher for Physics Tutoring
(8w - 9)2 = (8w - 9)(8w - 9) = (8w)2 - (8w)(9) - 9(8w) + (-9)2 = 64w2 - 144w + 81
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