Question

Упростите выражение: −12⋅4x2−3x4+15⋅−2x2+3x3−12⋅4x2−3x4+15⋅−2x2+3x3 ​

Answer 1

$- 6 {x}^{4} + 6 {x}^{3} - 64.4 {x}^{2} + 30$