If it's not what You are looking for type in the equation solver your own equation and let us solve it.
5x^2-1=-2x
We move all terms to the left:
5x^2-1-(-2x)=0
We get rid of parentheses
5x^2+2x-1=0
a = 5; b = 2; c = -1;
Δ = b2-4ac
Δ = 22-4·5·(-1)
Δ = 24
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}$$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}$
The end solution:
$\sqrt{\Delta}=\sqrt{24}=\sqrt{4*6}=\sqrt{4}*\sqrt{6}=2\sqrt{6}$$x_{1}=\frac{-b-\sqrt{\Delta}}{2a}=\frac{-(2)-2\sqrt{6}}{2*5}=\frac{-2-2\sqrt{6}}{10} $$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}=\frac{-(2)+2\sqrt{6}}{2*5}=\frac{-2+2\sqrt{6}}{10} $
| 5y–13y=(5–13)y | | 41=-4p+5 | | 70-4x=80 | | 6n=30+2n-12 | | 6(x-3)=3x+15 | | 10-6x+12=2x=22-8x | | 10q-2q=-8 | | -16p-6(4-4p)=5(p-6)-15 | | 18k-9k-7k-k=20 | | 8=0.25x+6 | | 14t-12t+t-2t=7 | | -u-(5+13u)+10=-6+11)-9 | | 11x+5=-2x^2 | | (5x+3)=(x+1) | | 0.04r-0.2=1 | | -8(n+81)=64 | | 6w-4w-w=19 | | F(n)=3(n)/9 | | 42=q/5+36 | | 18t+-3t=15 | | 18000=x^2-2x+3 | | 1/2n-6=1/4n+2 | | v=4/3(3.14)(18^3) | | 5y+4y-4y-2y=15 | | 5*60=k | | v=4/3(3.14)18^3 | | 3y=6+3 | | (7x+2)+(17x-8)+90=180 | | 5y+4y−4y−2y=15 | | 22-2k=8 | | -g+-4=5 | | 3h+-h-18h-19h=18 |