Answer:
Explanation:
Here you go mate
step 1
3y +6+ 2y - 3 - 6y^2+ 7y^2-4 equation
step 2
3y +6+ 2y - 3 - 6y^2+ 7y^2-4 simplify
3y+6+2y+(-3)+(-6y^2+)7y^2+(-4)
step 3
3y+6+2y+(-3)+-6y^2+7y^2+(-4) combine the terms that are alike
step 4
(-6y^2+7y^2)+(3y+2y)+(6+(-3)+(−4))
answer
y^2+5y+−1