karleighowens
karleighowens
07-06-2016
Mathematics
contestada
Find the product. (n + 7)2
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lightballs180
lightballs180
09-06-2016
(x-7)^2 = (x-7)(x-7) = x^2 -7x -7x +49 = x^2-14x+49
answer is 'x^2+14x+49'
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