X^2-3x-1000=0

Simple and best practice solution for X^2-3x-1000=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^2-3x-1000=0 equation:



X^2-3X-1000=0
a = 1; b = -3; c = -1000;
Δ = b2-4ac
Δ = -32-4·1·(-1000)
Δ = 4009
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{-(-3)-\sqrt{4009}}{2*1}=\frac{3-\sqrt{4009}}{2} $
$X_{2}=\frac{-b+\sqrt{\Delta}}{2a}=\frac{-(-3)+\sqrt{4009}}{2*1}=\frac{3+\sqrt{4009}}{2} $

See similar equations:

| 5x+7+5x-2+4x-1=36+7x | | 5^2x-1/5^x+1=4 | | 1/x-2+2=3/x+2 | | x–12=–4x+18 | | 7x=5x+13 | | 1/9^x=3 | | 9x+⁸=19 | | m+12.39=29.76 | | -4x=3=1-4x | | p-7=20=3 | | y+3=1/2(2y+6) | | 8x–15=21+6x | | 10+8(2x+4)=8-× | | 262144=8^x | | 2x+1=2(x-3)-x | | 2(y-1)=y+15 | | 5c(c+1)+6=0 | | Ab=-9 | | p-7=20+3 | | 4z–4=8z+8 | | 5a-9=a=15 | | 8y-36=20 | | 9=2.25p | | 7x+21=x×3 | | 2·3^x=40.8 | | x^2+9x-126=0 | | w=20*98+2 | | n=20*4-2 | | 3+18x;x=⅔ | | (x^2-x-6)=(x^2+5x) | | 4x+7x=10 | | -12r+7=(5-3r)-5 |

Equations solver categories