If it's not what You are looking for type in the equation solver your own equation and let us solve it.
(2x+3)(x+4)=2x^2+11x+12
We move all terms to the left:
(2x+3)(x+4)-(2x^2+11x+12)=0
We get rid of parentheses
-2x^2+(2x+3)(x+4)-11x-12=0
We multiply parentheses ..
-2x^2+(+2x^2+8x+3x+12)-11x-12=0
We get rid of parentheses
-2x^2+2x^2+8x+3x-11x+12-12=0
We add all the numbers together, and all the variables
=0
x=0/1
x=0
| 28-x=211 | | 9/5c+32=104 | | 5m-12=108m= | | 17f=-15+16f | | 2(3r+2)+4=26 | | -16=2y-6 | | 7x-13=3x+13=180 | | 6x+18=-3+63 | | 3/24=x/100 | | (13/3)m=38/7 | | 6x+29=3x+110 | | 8y+8=5y-8 | | -9+x+3x=-17 | | 1/2m+12=32 | | 26-x=179 | | F(x)=16-x2 | | 6.3g+6=4.3g+14 | | 2x+5-5x=9×19 | | 4s-12=4 | | 3(m+4)=16 | | -8-2x/3=-6x3 | | 3(b+12)=16 | | 7x+27=-2x+45 | | -18-3x=15 | | 4d+2=4d+16 | | -23=-19+n8 | | 55+3x-3+12x+8=180 | | -2(1-4x)+3x=22+3x | | 16x-3=2(29x+3) | | 7/3x=103 | | 12/8+x=8/15 | | 7(w-4)-8=-3(-8w+8)-3w |