sorelleneal sorelleneal

13-03-2017
Mathematics

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Multiply r^2+7r+10/3 by 3r-30/r^2-5r-50

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ChandrikaP ChandrikaP

13-03-2017

(r^2+7r+10/3) * (3r-30/r^2-5r-50)
1/3(3r^2+21r+10) x 3(r-10)/(r^2-5r-50)
(3r^2+21r+10)x(r-10)/(r^2-10r+5r-50)
(3r^2+21r+10)x(r-10)/(r-10)(r+5)
3r^2+21r+10/(r+5)

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