Question

pls answer quickly ans with steps

Answer 1

solution=>

$= (3x - 4)(2x {}^{2} - 5x + 10) - 2(2x {}^{3} - 6x {}^{2} - 20) \\ \\ = 6x {}^{3} - 15x {}^{2} + 30x - 8x {}^{2} + 20x - 40 - 4x {}^{3} + 12x {}^{2} + 40 \\ \\ = 2x {}^{3} - 11x {}^{2} + 50x + 40$

I hope it helps you