Factorise & 27x³ + 125y³
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Answered by
3
Step-by-step explanation:
we know,
a^3+b^3=(a+b)( a^2-ab+b^2)
=(3x)^3+(5y)^3
=(3x+5y)(9x^2-15xy+25y^2)
Answered by
10
27x³+125y³
(3x)³+(5y)³
(3x+5y)[(3x)²-3x×5y+(5y)²]
(3x+5y)(9x²-15xy+25y²)
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