verify that :
x³+y²=(x+y)(x²+y²-xy)
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[Correction : x³+y³=(x+y)(x²+y²-xy) ]
x³+y³=(x+y)(x²+y²-xy)
Taking RHS,
(x+y)(x²+y²-xy)
By multiplying horizontally,
x(x²+y²-xy)+y(x²+y²-xy)
x²+xy²-x²y+x²y+y³-xy²
The similar positive and negative values are cancelled out,
Therefore, result will be :
x³+y³ = x³+y²
LHS = RHS
Hence verified!
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