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3 votes
Include parentheses in your answer.
(x3 + y3) ÷ (x - y)

User Raffobaffo
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1 Answer

5 votes
I'm assuming you mean
(x^3+y^3)/(x-y)

we can factor that sum of perfect cubes from
x^2+y^3 into
(x+y)(x^2-xy+y^2)

so therefor
(x^3+y^3)/(x-y)=((x+y)(x^2-xy+y^2))/(x-y)
that is simpliest form

User Beamish
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