Xcube+3xsquare y+3ysquare x+2 ycube factorise
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Step-by-step explanation:
x³+3x²y+3xy²+2y³
=(x+y)³+y³
=(x+y+y) l(x+y)²-(x+y)y+y²l
=(x+2y) (x²+2xy+y²-xy-y²+y²)
=(x+2y) (x²+xy+y²)
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