If it's not what You are looking for type in the equation solver your own equation and let us solve it.
16x^2-30x+600=0
a = 16; b = -30; c = +600;
Δ = b2-4ac
Δ = -302-4·16·600
Δ = -37500
Delta is less than zero, so there is no solution for the equation
| 1.1x+15=23.8 | | F(3)=7x-14 | | 7(6-2a)=15a+5 | | 12=3(3x-6) | | 13=-(x-5) | | -5x+9x=-12 | | 29250=3150+450x | | 9(x+10)=−90 | | 3x-1+3x+2=51 | | -59=-3x+1 | | 2(x-1)^+7=39 | | x–*15=30 | | 3(18)=6y | | (k3)5=k8 | | 9x-2=-9+8x | | 2x+3*6=36, | | 8=2-2x+4 | | -20=-x-3x | | -3+8v=13 | | 3(3b-2)=2(b=6) | | x-0.23x=496.65 | | 9x-0.3x=10.44 | | 5(x+7)=110 | | 5v+7*2.85=28.70, | | -3x+9=7 | | -4(1+r)=4 | | 13x-18=180 | | 14v+6=2(5+7v-4 | | -2.5=c+7.1 | | 15.5x+125+267=1012 | | 6.00=3.68x+31.76 | | 2x=2*(4/3) |