Question

3y(2y+1)-y(4+3y)-3y(y-4)simplify ​

Answer 1

3y(2y+1)-y(4+3y)-3y(y-4)

= 6y^2 +3y - ( 4y+3y^2) - (3y^2-12y)

= 6y^2 +3y - 4y - 3y^2 - 3y^2+12y

=6y^2-3y^2-3y^2+3y -4y +12y

= -y+12y

=11y

I hope you understood