Question

combine like terms: 5x^2+7y+9x+3x^2-2x-y

8x^2+11x+7y
8x^2+7x+6y
15x^2+6y
21x^2xy

Answer 1

The correct expression after combining like terms is 8x^2 + 11x + 6y.

Answer 2

thats not an answer

Answer 3

Apologies for the confusion. The correct combined like terms expression is:

8x^2 + 6x + 6y