Z^2-18=0

Simple and best practice solution for Z^2-18=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^2-18=0 equation: 


Simplifying
Z2 + -18 = 0

Reorder the terms:
-18 + Z2 = 0

Solving
-18 + Z2 = 0

Solving for variable 'Z'.

Move all terms containing Z to the left, all other terms to the right.

Add '18' to each side of the equation.
-18 + 18 + Z2 = 0 + 18

Combine like terms: -18 + 18 = 0
0 + Z2 = 0 + 18
Z2 = 0 + 18

Combine like terms: 0 + 18 = 18
Z2 = 18

Simplifying
Z2 = 18

Take the square root of each side:
Z = {-4.242640687, 4.242640687}

See similar equations:

| n+9=7 | | 2(t-6)+3=-3(t+5)-6 | | 4x-3=2x+16 | | 17-4x=60 | | 1-2f=9 | | 3(2a+2)=5(a+5) | | 6(n-2)-(8-n)= | | 2-3(x-2)=11 | | 0=5b^2+32b+35 | | (4x-5)(x-6)=(1-6x)(x+10) | | 2+3(x-2)=11 | | 2*0-9y=-18 | | -30=a^2+11a | | 8(n+9)+4(n-3)= | | 3b^2-14b-5=0 | | 4m-7m+1=16 | | (5x-6)(x-9)=(4x-3)(x-14) | | -9/7*(-2)*1/-6 | | (x-3)(x+8)=(x+4)(x+5) | | 2(x-9)-(1-5x)=-19 | | x+9z/4+6=9x | | 4(x+9)=-6(x-1) | | 4*-5/3*2/-9 | | x/6=16 | | v-8=27 | | b+9/8=-4 | | X=y-7 | | 2x+6=4(x-1) | | 83=p+29 | | -6/-7*4*5/-3 | | 5(n+2)+8(n+9)= | | 2x-9y=-18 |

Equations solver categories