Question

Factorise 27 y^3 + 125 z^3

Answer 1

Answer:

( 3y + 5z ) ( 9y^2 - 15yz + 25z^2)

Explanation:

Since both terms are perfect cubes, factor using the sum of cubes formula.

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

a= 3y

b = 5z

substitute into formula , and you will get the answer