Question

please factorize it

please explain it


please help me

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Answer 1

7x³+56y³

=>7(x³+8y³)

=>7[(x)³ + (2y)³]

=>7(x+2y)( x²+ -2xy + 4y²)

Identity used:-

x³+y³ = (x+y) ( x²-xy+y²)

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