Question

Factorise the following expressions :
(ii) x3 +64y3 + 12x²y +48xy^2​

Answer 1

Answer:

(x+4y)(x+4y)(x+4y)

Step-by-step explanation:

=x^3+64y^3+12x^2y+48xy^2

=(x)^3+(4y)^3+3(x)(4y){x+4y} [using:

(a+b)^3=a^3+b^3+3ab(a+b)]

=(x+4y)^3

=(x+4y)(x+4y)(x+4y)