If it's not what You are looking for type in the equation solver your own equation and let us solve it.
(x+9)^2=400
We move all terms to the left:
(x+9)^2-(400)=0
We move all terms containing x to the left, all other terms to the right
(x+9)^2=400
| .10x+.6(50-x)=15 | | 2x-4x+6x=8 | | 6–2x=11–7x | | 2x–4=5x-19 | | X/4.5x=13 | | 3f+2=-25 | | 25=4x7x= | | 3x2–6=69 | | .10x+.6(50-x)=17.7 | | 6+5x=-2+6(x+4) | | 3(x)=12-7x | | X/2(x+3)=x-4 | | -9+12(x+6)=4+5x | | 500x+100(x-1)+50·2x=2700 | | 9+6x=6+11(x+9) | | 10x=65 | | 5x-7;x=-2 | | 3+4x=8-11(x+4) | | c2+10=42 | | 9=¼x2 | | 4+2x=2+3(x+1) | | 120t=160t-160 | | 15=5(x+8) | | 5a=(3a+9)-1 | | 5a=3a+9-1 | | 9(x2+6x)=7 | | p1=15+(1/4*15+1/4) | | 37xX0.6=77.7 | | p1=15+(1/4)(15+1/4) | | (x(37))0.6=77.7 | | –2x–4=4x–10 | | 2.3x+16.4=3.2-4.3x |