If it's not what You are looking for type in the equation solver your own equation and let us solve it.
-1.25x^2-7.5x-1700=0
a = -1.25; b = -7.5; c = -1700;
Δ = b2-4ac
Δ = -7.52-4·(-1.25)·(-1700)
Δ = -8443.75
Delta is less than zero, so there is no solution for the equation
| x+4=-8-x+12 | | -7p=-6p+3 | | ((1,4+x)/6)=-2.4 | | -3.01+-2d=0.59 | | x-34=64-6x | | 2y-6=y+5 | | 3(x+2)=-3(x-2) | | 2.9=u/4 | | 10(3m-4=30-5m | | 7x+5-4x-16=x | | 4(3x+5)−6(4x−5)=12x+3(4x−6) | | q/3-2.4=1.6 | | 5(p+4)-6=14+5p | | -6x+-5=31 | | 2t=6(t+4)-4 | | 4x+2.9=1.5 | | 4=98w | | 7=(x)/(2)+5 | | 6q-33=51 | | ((0.2x+1)/2)=-0.8 | | 4(b+15)=-4 | | 30=3(p+3) | | 6/9=x/45 | | -1.25x^2-7.5x=0 | | -3(x-2)+4=-(x-4)+2x | | 0.5(2-6x)-4(x+1.5=-1(x-3)+4 | | v-86/2=6 | | 12+3=-5(5x-3) | | -12/m=4 | | 5(2x-9)+3=-4x+7 | | 8x-2=32x-44 | | 5x+10x=66 |