Question

3x^2+2(2+x)-3x(2x+1) simplify

Answer 1

Hope this helps you....

Answer 2

$3 {x}^{2} + 2(2 + x) - 3x(2x + 1) \\ 3 {x}^{2} + 4 + 2x - 6x {}^{2} - 3x \\ - 3 {x}^{2} + 4 - 9 {x}^{2}$
this the answer