Question

I need help with this question plz thx​

Answer 1

7x^2 - 3y + 9

Explanation:

2y - y + 7 - 1 + 3 + 7x^2 - 4y [Combine like terms]

= (2y - y - 4y) + (7- 1 + 3) + 7x^2

= -3y + 9 + 7x^2 [Order the terms from most exponents to least]

= 7x^2 - 3y + 9

Answer 2

`7x^2 - 3y + 9`

Explanation:

Hey there!

Well to solve the given,

2y - y + 7 - 1 + 3 + 7x^2 - 4y

We need to combine like terms

`2y - y + 7 - 1 + 3 + 7x^2 - 4y\\7x^2 - 3y + 9\\`

Hope this helps :)