Question

subtract please answer​

Answer 1

$=\bold { (7 {x}^{2} - 5x + 70) - (30 - 4x + 5 {x}^{2} )}$

$=\bold{ 7 {x}^{2} - 5x + 70 - 30 + 4x - 5 {x}^{2}}$

$= \bold {2 {x}^{2} - 1x + 40}$

Answer 2

Step-by-step explanation:

$= (7 {x}^{2} - 5x + 70) - (30 - 4x + 5 {x}^{2} )$

$= 7 {x}^{2} - 5x + 70 - 30 + 4x - 5 {x}^{2}$

$= 2 {x}^{2} - 1x + 40$

Hope it helps you..!