If it's not what You are looking for type in the equation solver your own equation and let us solve it.
4x^2+6x-406=0
a = 4; b = 6; c = -406;
Δ = b2-4ac
Δ = 62-4·4·(-406)
Δ = 6532
The delta value is higher than zero, so the equation has two solutions
We use following formulas to calculate our solutions:$x_{1}=\frac{-b-\sqrt{\Delta}}{2a}$$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}$
The end solution:
$\sqrt{\Delta}=\sqrt{6532}=\sqrt{4*1633}=\sqrt{4}*\sqrt{1633}=2\sqrt{1633}$$x_{1}=\frac{-b-\sqrt{\Delta}}{2a}=\frac{-(6)-2\sqrt{1633}}{2*4}=\frac{-6-2\sqrt{1633}}{8} $$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}=\frac{-(6)+2\sqrt{1633}}{2*4}=\frac{-6+2\sqrt{1633}}{8} $
| 6+3=4X+2x+3 | | 2x-4(x-5)=-3+4x-13 | | R=4+18x | | 10.25x+19.75=21,660 | | x+(x+72)=180 | | 8-(4x-3)^2=-136 | | 4K-10-5=9+7k | | 1a-14=4a-3 | | x-32=49 | | -256=-8(1-7x)+6x | | 5(2v-3)+2v+5=5(v+6)-3v | | -4/7x+1=5 | | –5+z=–12 | | 9x+7=x+8 | | -4g+5=-1g+2 | | 4x-1+9x+4=14x-6 | | 4+3x=8+6 | | -15=h-27 | | 40x+4.50x=112 | | 4(x-2)/6=4(x+1)/12 | | r^2-4r-54=-8 | | 8-10b=88 | | 5p-4(p-1)=19 | | x+7=3x+8 | | 4(x+4)^2=16=0 | | 3m-20=4m | | 1/5a-2=1 | | 3x+4(x+11)=79 | | x2–13x+30=0 | | (3y-5)+(5y=20)=135 | | -34=5x+1 | | 5=w÷2.2 |