Question

subtract 5a2-9ab from 7ab -3a2-4b2​

Answer 1

Answer:

this is the correct answer

Answer 2

Answer:

$(7ab - {3a}^{2} - {4b}^{2} ) - ( {5a}^{2} - 9ab)$

$7ab + 9ab - {4b}^{2} - {3a}^{2} - {5a}^{2}$

$- {8a}^{2} - {4b}^{2} + 16ab$

Hope it will help u