Question

Спростити
1.(8a³-4a²b²-3ab²+5b²)
2.(a³+2a²b²)(5a-4b)​

Answer 1

1. (a³+2a²b²) (5a-4b).

2. (8a -4a²b²-3ab²+5b²)=-4a²b²-3ab²+5b²+8a

(a²+2a²b²) (5a-4b)= -16a²b³+20a³b²-8a³b+10a⁴