If it's not what You are looking for type in the equation solver your own equation and let us solve it.
3^2-30s-600=0
We add all the numbers together, and all the variables
-30s-591=0
We move all terms containing s to the left, all other terms to the right
-30s=591
s=591/-30
s=-19+7/10
| 5+18x=100 | | 6-7(y-4)=5+9y | | 8(17-2y)+9y=73 | | 4(5x+3)-2=13x-4 | | 0.3a+2=11 | | 3h/10-4=1/17/30 | | 2y=-9-y | | 16+5x+7x=-2x+6x | | 2x+2+108=180 | | 10-7f+8=-9f+2 | | (2x+43)(2x-3)=180 | | -n+7=-8n+6n | | z+8/3=5 | | (x^2+1)^10=2x-x^2-2 | | 5+8k=4K-3 | | 48=8q+8q | | 6x-7=-7x-163 | | -35-2+z=-128 | | 23x+6=90 | | 24=18+v/2 | | 2((x-2)^2/4+25/(x-2)^2)=(x-2)/2-5/(x-2)+16 | | -15=-9x+3 | | 4=4(c+12) | | 3/x-2=5x | | 9b+5+2=-30 | | x+2/7=5/6 | | X^2-0.9*x+0.23=0 | | -7t+10=-5t-10 | | 10(x+2)=5(x8) | | 4=t/2+1 | | -4b-9=10b-9 | | 9(p-4=18 |