x^2-4x-0.95=0

Simple and best practice solution for x^2-4x-0.95=0 equation. Check how easy it is, and learn it for the future. Our solution is simple, and easy to understand, so don`t hesitate to use it as a solution of your homework.

If it's not what You are looking for type in the equation solver your own equation and let us solve it.

Solution for x^2-4x-0.95=0 equation:



x^2-4x-0.95=0
a = 1; b = -4; c = -0.95;
Δ = b2-4ac
Δ = -42-4·1·(-0.95)
Δ = 19.8
The delta value is higher than zero, so the equation has two solutions
We use following formulas to calculate our solutions:
$x_{1}=\frac{-b-\sqrt{\Delta}}{2a}$
$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}$

$x_{1}=\frac{-b-\sqrt{\Delta}}{2a}=\frac{-(-4)-\sqrt{19.8}}{2*1}=\frac{4-\sqrt{19.8}}{2} $
$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}=\frac{-(-4)+\sqrt{19.8}}{2*1}=\frac{4+\sqrt{19.8}}{2} $

See similar equations:

| (5-3x)-(4x-1)=40 | | 20=8i-8 | | 5(k-1)-1=19 | | 13=7y-9 | | 1797=9p-3 | | 3x+11+2x+19=90 | | x-0.25x^2-0.2375=0 | | 6-3x=6x+12 | | (8x+4)=92 | | 4a+6a-a= | | 4(x–5)=14 | | 3x+2=4x-75 | | -18v=-98 | | 3x²+5=14 | | n=2(4^2) | | −3v+63=0 | | x^2-4x+5.33=0 | | 2(x+3)=-(4x-12) | | n=4^2 | | x^2-4x+5.3=0 | | 3+6=2m-1 | | |4x^2-7|=9 | | (x-0.5)-(0.5)(0.5)(x-0.5)^2=0.7625 | | |2x^2-x+2|=2 | | x+5+20=60 | | y²=81 | | 2z-4=0 | | n=2(2)^2-3(2) | | x*38=20 | | x^2-4x+3.05=0 | | 12/7×(x-5)=24+8X | | 7x+111=73-12x |

Equations solver categories