Question

8x^3+125y^3 factorise​

Answer 1

8x^3 + 125y^3

= (2x)^3 + (5y)^3

Using

a^3 + b^3 = (a + b)(a^2 - ab + b^2)

= (2x + 5y)((2x)^2 - (2x)(5y) + (5y)^2) ——> Answer