x2+10x-11=0

Simple and best practice solution for x2+10x-11=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 x2+10x-11=0 equation:



x2+10x-11=0
We add all the numbers together, and all the variables
x^2+10x-11=0
a = 1; b = 10; c = -11;
Δ = b2-4ac
Δ = 102-4·1·(-11)
Δ = 144
The delta value is higher than zero, so the equation has two solutions
We use following formulas to calculate our solutions:
$x_{1}=\frac{-b-\sqrt{\Delta}}{2a}$
$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}$

$\sqrt{\Delta}=\sqrt{144}=12$
$x_{1}=\frac{-b-\sqrt{\Delta}}{2a}=\frac{-(10)-12}{2*1}=\frac{-22}{2} =-11 $
$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}=\frac{-(10)+12}{2*1}=\frac{2}{2} =1 $

See similar equations:

| 7=-3n+1=13 | | 2x18=x+22 | | -2(3-2x)=6x-2x-5 | | 2(w-5)=7w+4 | | 7y-23=68 | | X+1/7=2x+4/7 | | x2+2x-12=-12 | | 7y–23=68 | | 2/3x+24=36 | | 8(n-2)=32 | | 8(h-78)=80 | | -3=2x-1=7 | | |x-9|=13 | | 8(h–78)=80 | | 18-5n=-n-4(n-3) | | 12g=8g-12+12 | | 3y^2+2y+y=0 | | 5(x-4)-3=17 | | 16+3t=49 | | 100t^2-1=0 | | 3=g-72/5 | | 6^(2x)=17 | | 1/4x-3=7 | | 3x-6+2x=8x-3 | | 6^(2x(=17 | | P2+12p=-32 | | -7x+14=7/3 | | 1/8(8x=15)=24 | | −34+z=54-34+z=54 | | 6^(2x+1)=17 | | 56x-1/3=-2 | | 0=24x-0.4x^2 |

Equations solver categories