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For specific positive numbers m and n, the quadratics are 16x^2+36x+56 and (mx+n)^2 differ only in their constant term. What is mn?

 Feb 4, 2019

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 #1
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m must be four, since 4^2 = 16. Then, 2mn = degree 1 term, which means mn = 18.

 Feb 4, 2019
 #1
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+2
Best Answer

m must be four, since 4^2 = 16. Then, 2mn = degree 1 term, which means mn = 18.

itsyaboi Feb 4, 2019

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