Question

(2a-b)(2a-b)(2a-b) solve​

Answer 1

Answer:

${(2a - b)}^{2} (2a - b) \\ = (4 {a}^{2} + {b}^{2} - 4ab)(2a - b) \\ = 8 {a}^{3} + 2a {b}^{2} - 8 {a}^{2} b - 4 {a}^{2} b - {b}^{3} + 4a {b}^{2} \\ = 8 {a}^{3} - {b}^{3} - 12 {a}^{2} b + 6a {b}^{2}$