Question

factorize (a) 216x^3 - 125 y^3 ( b ) 27 - 125a^3 - 135 a + 225 a^3​

Answer 1

Answer:

(a) 216x³-125y³

identity = {a³-b³} = (a-b) (a²+ab+b²)

(6x³-5y³) is the answer...

(b) 27 - 125a³-135a+225a³

identity = (a-b)³ = a³+b³+3a²b+3ab²

(3-5a)³ is the correct answer...