Question

I want the right answer plzzzzz help me

Answer 1

=3x-7+(-4x+y-8)
=3x-7-4x+y-8
=3x-4x-7-8+y
=-x-15+y
=y-x-15


$3 {x}^{2} + 4y - 17x - 6y + 4 {x}^{2} - 9 \\ 3 {x}^{2} + 4 {x}^{2} + 4y - 6y - 17x - 9 \\ 7 {x}^{2} - 2y - 17x - 9$
hope
it's help you.



plz mark as brainliest answer.