Question

Factorise 27x³ + 125y³​

Answer 1

Step-by-step explanation:

27x³+125y³

3³x³+5³y³

(3x)³+(5y)³

here is ur anser

Answer 2

Answer:

(3x−5y)(9x  2 +15xy+25y  2  )

Step-by-step explanation:

27x  3  −125y  3  

⇒ Using a  3  −b  3  =(a−b)(a  2  +ab +b  2  )

⇒(3x)  3 −(5y)  3  =(3x−5y)((3x)  2  +(5y)  2  +(3x)(5y)=(3x−5y)(9x  2  +15xy+25y 2 )

Hence, the answer is (3x−5y)(9x  2 +15xy+25y  2  )