x^2+21=11-x^2

Simple and best practice solution for x^2+21=11-x^2 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+21=11-x^2 equation: 



x^2+21=11-x^2

We move all terms to the left:

x^2+21-(11-x^2)=0

We get rid of parentheses

x^2+x^2-11+21=0

We add all the numbers together, and all the variables

2x^2+10=0

a = 2; b = 0; c = +10;
Δ = b2-4ac
Δ = 02-4·2·10
Δ = -80
Delta is less than zero, so there is no solution for the equation

See similar equations:

| 9+5x=-6x | | 5(5e-3)=35 | | 2x−4=10−x32x−4=10−x3 | | 2x−4=10-x/3 | | 2(4e+8)=32 | | 3(v-5)-21=0 | | 5(7e-4)=15 | | 2x-4-x-3=3 | | 6x+x^2=169 | | 1/28=x/100 | | 6x^2+x=169 | | 13c=169 | | 5x+-4=20 | | 5x+-4=2 | | 55=3.14/4(0.021)x(0.021)x2x1000) | | 0.125x=-2 | | -7+d3=0 | | 4x+3.1=12.9 | | 12(3b-6)-3b=-9×-1 | | g/6-7=2 | | 2(5x-3)=2 | | 40×(5x)=12(250-x) | | 9x-36=3x-6 | | 8c=-4c-36 | | 6x-9=13x+4 | | -26+3x=-52+7x | | 33-5x=-9-8x | | 2.5x=4.3 | | 2-(3-x)=4-(-5-x) | | 40-5x=7 | | x+1+3x=29.x= | | 10x-16=5x+9 |

Equations solver categories