Question

add:- 7x square-4x+5 and9x-10

Answer 1

$7 {x}^{2} - 4x + 5 \: \: + 9x - 10 \\ = 7 {x}^{2} + 5x - 5$
Hope this helps you

Answer 2

7x² - 4x + 5

+ 9x - 10

__________

7x² + 5x - 5

Hope this helps you.

@PoojaBBSR