Question

2. Expand. (a+b)³

(3x - 5 by x )³​

Answer 1

(3x - 5 by x )³

hope this will help

Answer 2

Answer:

(a+b)³

=

${a}^{3} + {b}^{3} + 3 {a}^{2} b + 3a {b}^{2}$

(3x - 5 by x )³

=

${27x}^{3} - \frac{125}{ {x}^{3} } - 135 {x} \: + \frac{225}{x}$