Question

Factorise: (i) 8y3 – 125x3 (ii) x2 – 121​

Answer 1

here's your answer

(1) 8y³– 125x³

so, (2y)³- (5x)³

by :- a³-b³ = (a+b)(a²+b²-ab)

then :- (2y-5x)(4y²+25x²-10xy)ans.

(2) x²– 121

x²-(11)² :- (x+11)(x-11)ANS.

hope it helps you ☺️