z^2+21=0

Simple and best practice solution for z^2+21=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 z^2+21=0 equation: 



z^2+21=0

a = 1; b = 0; c = +21;
Δ = b2-4ac
Δ = 02-4·1·21
Δ = -84
Delta is less than zero, so there is no solution for the equation

See similar equations:

| 112=(8x-25) | | (X+6/2)-6=(2x-1/3) | | 212/9+r=-117/8 | | 112=(9x+34)+(8x-25) | | 1.5x=150 | | 112=(9x+34) | | (8x-25)=(9x+34)+112 | | 8(4-4k)=-5k-32 | | (t+2)^2=4 | | (8x-25)=(9x+34) | | 8(5d-2)=-25 | | (9x+34)+(8x-25)=112 | | 2x(1-4x)=9-x | | (9x+34)+112=(8x-25) | | (8x-25)+112=(9x+34) | | 4x(2x+1)=12 | | 144=16t^2+96t+4 | | 258/9h=-154/9 | | 2.54=35.9/x | | -(4/3)x=-4 | | 8x-5(3x+1=x+11 | | (3+5x)(2-3x)=12-15x2 | | 11x+17x-8+3=-9x+3-8 | | 3x(4x-10)=30 | | (8x-25)+(9x+34)=112 | | (t+6)(t−6)=(t+7)(t−8)+9 | | 7x-5x+12=x+7 | | 24x2+6=24x | | 3•(4x-10)=30 | | 16(u-903)=640 | | 17=19^x | | (4a-29)^3=-1 |

Equations solver categories