Question

useful answers only​

Answer 1

Answer:

$2(7 {x}^{2} - 3x + 2) - (5 {x}^{2} - 3x - 3)$

$= 14 {x}^{2} - 6x + 4 - 5 {x}^{2} + 3x + 3$

$= 9 {x}^{2} - 3x + 7$

Hope it helps you.