aalexandra107 aalexandra107

16-12-2016
Mathematics

contestada

whats the factored form of k^2-81h^2?
whats the factored form of 25x^2+40x+16?

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oliviadwilson oliviadwilson

16-12-2016

factored form for k^2-81h^2: (9h+k) (k-9h)

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