x2-4=-11

Simple and best practice solution for x2-4=-11 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 x2-4=-11 equation: 



x2-4=-11

We move all terms to the left:

x2-4-(-11)=0

We add all the numbers together, and all the variables

x^2+7=0

a = 1; b = 0; c = +7;
Δ = b2-4ac
Δ = 02-4·1·7
Δ = -28
Delta is less than zero, so there is no solution for the equation

See similar equations:

| -×+11=-2.4+x | | 5x-4+2x+2x=3 | | 6z^2-13z=0 | | 3^x+1=1/9 | | 2t/3=+5t/12=26 | | a(2a-4)+9;a=3 | | +x3.x-1=33 | | 8w+14=42 | | 14+3=2+9x | | 10(s-7)=-93 | | 3(3s+4)=120 | | (3x-10)+(8x-30)=180 | | -1/2x+7=20/3 | | -7(2t+8)=-14 | | a÷0.4=75 | | 10(s-4)=96 | | 3(5x-2)+30/100×x=60 | | 3x-14=8x+3 | | (3/x+16)=(1/3x) | | (2x-16)(3x+5)=0 | | 12x-5/10x+2=3/4 | | (8x-4)/2=18 | | x/6-5/3=8/6-x/6 | | 6(x+4)=8-2x | | 6(x+4)=8-2 | | 2x^2+3×+1=0 | | 3x=-8.16 | | (3/2)x+2=11 | | 5x/25=-5 | | 4(x-2)=7(x-5) | | -4x=3+x | | 6/7x=4/5 |

Equations solver categories