If it's not what You are looking for type in the equation solver your own equation and let us solve it.
27x^2-81x+144=0
a = 27; b = -81; c = +144;
Δ = b2-4ac
Δ = -812-4·27·144
Δ = -8991
Delta is less than zero, so there is no solution for the equation
| -3(X)=6-7x | | f(-3)=6-7(-3) | | 9x-3x=15 | | 7x+123(12x-7)-45=5x(4x+8+9)-2x(5+10) | | 9x-7=(-)7x-14 | | 4y+15=7y-11 | | 2(3x+9)=15 | | v+3=120 | | 2x+(x+64)=180 | | x-2+x-3=1 | | 548-d=216 | | 5+3x=76 | | 5-c=47 | | 9k-3k=15 | | x+2/6-(11-x/13-1/4)=3x-4/12 | | 2/7(x-9)+x/3=3 | | y-1/3-y-2/4=1+3y-2/5 | | n+8+56-20=40 | | y+7/3=13y-2/5 | | 9x-8x+7=8-3 | | (6a)a=3 | | (3x-2)-9x=4(1-3x) | | -2x-4x-6=3x-6+35+15x | | √x+4x+5=(x+2)(x+7) | | -2x-2(2x-3)=3(x+2) | | 1.8*x=2.6 | | 3(2x+4)+3(3x+1)=38 | | P2+5p+6=0 | | -40=5x-64x-40 | | 10y+3=7(y+3) | | 2x/15=4/5-2x | | 8=0.75+0.8x |