thadennygirl17
thadennygirl17
04-04-2017
Mathematics
contestada
find the product (x+y) (4x-5y)
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ChandrikaP
ChandrikaP
04-04-2017
(x+y) (4x-5y)
x(4x)+x(-5y)+y(-5y)+y(4x)
4x^2-5xy-5y^2+4xy
4x^2-xy-5y^2
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