Factorise 27x³+125y³+135x²y+225xy²
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14
Step-by-step explanation:
27x³+125y³=(3x)³+(5y)³
so
by using formula
x³+y³=(x+y)(x²-xy+y²)
(3x+5y)(9x²-15xy+25y²)
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7
Answer:
Hi buddy
Step-by-step explanation:
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