If it's not what You are looking for type in the equation solver your own equation and let us solve it.
36x^2+72x+47=0
a = 36; b = 72; c = +47;
Δ = b2-4ac
Δ = 722-4·36·47
Δ = -1584
Delta is less than zero, so there is no solution for the equation
| 3x+2-4x-1-9x=6x-1 | | 7x-3+2x=15x-3+2 | | 20=11+3s | | 12x-8=7x+32x | | 7-3x2=8 | | (0.1×x)×(0.2×x)=0.25 | | 2.25(t+6)=–6.75 | | 36-s=-36 | | 3.5=-y1/2 | | 1/9^(x)=729 | | y=-3.5+20 | | 3f-5=12 | | 15×-(12+7x3=8x-12 | | 2j-9=1 | | 9x-5x+2x-1=x | | x+11=x^2-2x+1 | | 3-3x+5x-13=x | | 47=-x/11=43 | | 11x-3+48+80=180 | | v*2=-25 | | -5(8-0.5x)=-2(3-0.4x) | | 19+7d=40 | | 3s+9s=-24 | | 6t/9-22=-60 | | -80=7s-10 | | k÷4=9/10 | | -11=r-15 | | 12-s/3=14 | | k÷ 4 = 9/10 | | -195=x/15 | | k÷ 4 = 910 | | 3b-4=6b |