Question

x³+y³+xy(x+y) factorise​

Answer 1

$x^3 + y^3 = (x+y)(x^2-xy+y^2) \\x^3+y^3 +xy(x+y) \\=(x+y)(x^2-xy+y^2)+xy(x+y)\\=(x+y)[x^2-xy+y^2+xy]\\=(x+y)(x^2+y^2)$

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Answer 2

Answer:

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