(4x^2)-x-2=0

Simple and best practice solution for (4x^2)-x-2=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 (4x^2)-x-2=0 equation:



(4x^2)-x-2=0
We add all the numbers together, and all the variables
4x^2-1x-2=0
a = 4; b = -1; c = -2;
Δ = b2-4ac
Δ = -12-4·4·(-2)
Δ = 33
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{-(-1)-\sqrt{33}}{2*4}=\frac{1-\sqrt{33}}{8} $
$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}=\frac{-(-1)+\sqrt{33}}{2*4}=\frac{1+\sqrt{33}}{8} $

See similar equations:

| x+56=8 | | 0101010001101000011001010010000001100011011011110111001001101111011011100110000101110110=01101001011100100111010101110011v | | 68=2y | | 5(3p-4)=5(p+6) | | 9x+4-x=4 | | 3x19=11x-53 | | 2/5r+4=10 | | 8x+50=194 | | 2a-19.1=a-2.5=a+2.9 | | 15=−45+zz= | | 4x=2x×6 | | 9(b-4)=72 | | 30=5v+4+8v | | 2-7(x-1)=5x-1 | | 0.3x-0.2x-55-22=90 | | (-15)+7x=27 | | 5(x-2)0-2(x+1)=3 | | (2x-1)/3=2-(x-5)/2 | | 6x+2x=4x+8 | | –6n=–384 | | v=6+1.6v | | -6/3=10/c | | 5x-19=9x+9 | | 5x-19=+9 | | 2/5a=25 | | q+776=704 | | 7p−6p=17 | | -5/8w=10 | | 5x-19+4x+x=180 | | 256=6+10k | | 9(x-7)+12=9x-50 | | 3x+5-2x=22 |

Equations solver categories