If it's not what You are looking for type in the equation solver your own equation and let us solve it.
-2(a^2)+18a-216=0
a = -2; b = 18; c = -216;
Δ = b2-4ac
Δ = 182-4·(-2)·(-216)
Δ = -1404
Delta is less than zero, so there is no solution for the equation
| 14-3x=-5x+8 | | 4x-17=61 | | (E-10)+(e+6)-(e-10)=-4 | | 2x+5=6.5 | | 38+x+27=180 | | (3x+2)=18 | | 1/2(6x-10)=10 | | 11x-8=12xx | | m/7-15=-30 | | 3(-2m+1)+5=33 | | 21+3a-35=10 | | 11x+7x+10=19x+2 | | 4x-17+5x-1=180 | | 12x-3+122=34x+9 | | 2x(-6)=-2x-2 | | (x)=59. | | 105=1/2h(6+9) | | 9(y-2)=3(3y-6) | | 2^(x+x+x+1-1)=28 | | 2x+3+44=7x-3 | | 22=9x+-6x | | 6x+13x-7=12 | | 3|2v-7-4=-1 | | 18r+6=16r | | 0.5x+7.5=0.75x+4.5 | | 3y-7+4y+2=16 | | 3*n-6=30 | | 0=2-(1+3x)+2(-5+3x) | | 10x+44=-62 | | Y-5=3/4(x+12) | | 27+3a-35=10 | | -8-k=6-2k |