V^2-8=-4

Simple and best practice solution for V^2-8=-4 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 V^2-8=-4 equation: 


Simplifying
V2 + -8 = -4

Reorder the terms:
-8 + V2 = -4

Solving
-8 + V2 = -4

Solving for variable 'V'.

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

Add '8' to each side of the equation.
-8 + 8 + V2 = -4 + 8

Combine like terms: -8 + 8 = 0
0 + V2 = -4 + 8
V2 = -4 + 8

Combine like terms: -4 + 8 = 4
V2 = 4

Simplifying
V2 = 4

Take the square root of each side:
V = {-2, 2}

See similar equations:

| 2p^2+9p-18=0 | | -1x+21=7 | | X-3y=-23 | | 26+891=-71 | | 2x+5x+2=9 | | 7x+21=6x+7 | | V^2+2=18 | | 115+8+c=19 | | 4x-5=3y+1 | | -6x^2=600 | | -2b=7.2 | | 15x+5y=-30 | | 7(7x+9)=49x+63 | | x+1=y-3 | | 9w-16.4=5.3 | | 3[1.2b-1]+3.6=4.2 | | 88+6=c | | 2x-5=y-5 | | 11+73=c | | 14(v+2)-2v=3(4v+3)-10 | | 2(-15-5y)=30 | | 6(z+3)-5(3z+3)=2(2z-9) | | 5x+3=90 | | 40+c=28 | | f(-2)=17x+12 | | 5n^2=5 | | 3a-7=-4a-7 | | 3n^2=-7n-4 | | 5t-22=-12+3t | | 2c+4m=42 | | 20+6=a | | 4c+5m=60 |

Equations solver categories