Question

3а2б(б+2а)2 упростите вырожение

Answer 1

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

Answer 2

3a²b(b+2a)²=3a²b(b²+4ab+4a²)=
3a²b³+12a³b²+12a⁴b