Question

factorise: 27y^3 + 125z^3

Answer 1

heya here is ur ans
we use the formula

a³+b³=(a+b)(a²-ab+b²)

${27y}^{3} + {125z}^{3} = {(3y)}^{3} + {(5z)}^{3} \\( 3y + 5z)(9 {x}^{2} - 15yz + 25 {z}^{2} )$

{here a=3y and b=5z}
hope it helps you