If it's not what You are looking for type in the equation solver your own equation and let us solve it.
2x^2+28x+102=0
a = 2; b = 28; c = +102;
Δ = b2-4ac
Δ = 282-4·2·102
Δ = -32
Delta is less than zero, so there is no solution for the equation
| √3x-x=-10 | | 5y=8+39 | | 74=x+(x×.60) | | 4x+11=14x-29=5x | | 20/x=0.8/120 | | 2x-2+5x-7=x+1 | | 2/5v=10;v | | -⅓y-6=-8 | | 0.75(y+3)+2y=4.50 | | 49x=28 | | 12x+9-4x=3x-7 | | 8^2p=8^-2p-1 | | x-7.8=2.2 | | 10^10=10^n+2 | | 3.2d–5=5-1.8d | | 4b=2=14 | | 6x+7=5+2x,x= | | b/10=6/5 | | 11x8=24+64 | | 3^x+6=3^5 | | (3x-38)=(2+10) | | 12-y=15. | | X/10=6x | | p–12=30 | | (2/3)x+13=(7/3)x-22 | | 0.5(x-2)^2=0 | | 7x+7x=360 | | 2x+60=4x-40 | | 28x=49 | | 32x3+10x+9=0 | | 11.5=2.3x | | 2x=75+65-180 |