If it's not what You are looking for type in the equation solver your own equation and let us solve it.
x(2x+3=65
We move all terms to the left:
x(2x+3-(65)=0
| 6+5d+d^2=0 | | 6+5d+d2=0 | | 12y-32=41 | | 3x²-22=26 | | 210+15x=275+10x | | 24.38=5g+3.73 | | 1/3x+7/2=2/2x-3/2 | | 2x-4/5x+2=4x-8/10x+3 | | 1/3x+7/2=2/2×-3/2 | | 3x+7/2=2x-3/2 | | 6^1.5=9x | | 6^1.5=x | | (8+w)(w)=20 | | 3^2=6x | | x3^2=6 | | 1/3x+31/2=2x-11/2 | | 4x/9-25=-x/4 | | 6x+44+-10x+56=117 | | 1/3x+7/2=2x-3/2 | | 3x+6x-12/18+9x+8/8=36 | | 2+5/z+2/z^2=0 | | x²+√7x-1=0 | | 3x+6x-12/8+9x+8/8=36 | | (x+0.8)*(55-x)=55 | | 4(x-7)=2x+19 | | 2^x+1.3^x-2=8 | | 1/2x+4=-3/2x-12 | | 20t=-60 | | 3*3x-6=0 | | 3(3x)-6=0 | | 3x3-6=0 | | -18+9x=12-x |