Question

Multiply (2x-1) and (3x²-2x-2)​

Answer 1

(3x

2

−2x−1)(2x

2

+x−5)

=x

4

+3x

3

−15x

2

−4x

3

−2x

2

+10x−2x

2

−1+5

=6x

4

−x

3

−19x

2

+9x+5

Answer 2

$= (2x - 1)(3 {x}^{2} - 2x - 2) \\ = 2x(3 {x}^{2} - 2x - 2) - 1(3 {x}^{2} - 2x - 2) \\ = 6 {x}^{3} - 4 {x}^{2} - 4x - 3 {x}^{2} + 2x + 2 \\ = 6 {x}^{3} - 7 {x}^{2} - 2x + 2$

....hope it's helpful :)