
Thomas E. answered 12/23/15
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k(b-1) = (b-1)2 + 3(b-1) = b2 -2b +1 +3b - 3 = b2 +b -2
Moin K.
asked 12/23/15Thomas E. answered 12/23/15
Tom E., a Patient and Knowledgeable Mathematics Tutor for You
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