Question

(2a-3b)³ pls help me in finding this ​

Answer 1

Answer:

8a³−27b³ −36a²b+54ab²

Explanation:

(2a−3b)³ =(2a)³ +(−3b)³ +3(2a)(−3b)(2a−3b)

=8a³ −27b³−18ab(2a−3b)

=8a³−27b³ −36a²b+54ab²

formula used (a-b)³=a³+b³+3ab(a+b).(a-b)