find the factors (x³ + y³)=
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Answer:
(x+y)(x²-xy+y²)
Step-by-step explanation:
Because 2 is a root of x³-2³, so by the factor theorem, x-2 is a factor of x³-2³. In general, x-y is a factor of x³-y³ = (x-y)(x²+xy+y²), while x+y is a factor of x³+y³ = (x+y)(x²-xy+y²)