Question

(2a-3b)3
Use suitable identities and solve

10 POINTS IS LAME IK ​

Answer 1

Step-by-step explanation:

$(a - b) {}^{3}$

= (a) ³-(b) ³-3ab(a-b)

=( 2a)³-(3b) ³-3×2a×3b(2a-3b)

=8a³-27b³-12ab(2a-3b)

=8a³-27b³-24a²b+36ab²