Question

subtract..... answer with stepwise.......

Answer 1

$2x ^{2} - 5x - 3y ^{2}$

Answer 2

7x^2 - 2xy - 4y^2 - (5x^2 - 3xy +5y^2)
7x^2- 2xy - 4y^2 -5x^2 +3xy -y^2
7x^2 -5x^2 -3xy + 3xy -4y^2 - y^2
answer is :2x^2 + xy - 5y^2