Verified answer

Ответ:

1) 4х(х²+3х-2)=4х²+12х²-8х=16х²-8х

2) -3в(а²-6ав+5в)=-3ва²+18ав²-15в²

Ответ:

[tex]1) = 4 {x}^{3} + 12 {x}^{2} - 8x \\ 2) = - 3 {a}^{2} b - 18a {b}^{2} - 15 {b}^{2} [/tex]