find the difference
(6x^2-3x-9)-(2x^2+8x+3)
(6x^2-3x-9)-(2x^2+8x+3)
Remove parentheses and change the sign of the terms inside the parenthese
Combine like terms
6x^2 - 3x - 9 - 2x^2 -8x - 3
I leave the rest to you
(6x^2-3x-9)-(2x^2+8x+3)
Remove parentheses and change the sign of the terms inside the parenthese
Combine like terms
6x^2 - 3x - 9 - 2x^2 -8x - 3
I leave the rest to you