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Mathematics 19 Online
OpenStudy (anonymous):

(x-5)(x^2+5x +25)

OpenStudy (lncognlto):

So you just need to expand the expressions right? Then multiplying each of the terms in the second set of parentheses by each of those in the first gives: x^3 - 5x^2 + 5x^2 - 25x + 25x - 125 = x^3 -125

OpenStudy (anonymous):

thank you

OpenStudy (lncognlto):

Cool cool :)

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