2f^2-8=0

Simple and best practice solution for 2f^2-8=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 2f^2-8=0 equation: 


Simplifying
2f2 + -8 = 0

Reorder the terms:
-8 + 2f2 = 0

Solving
-8 + 2f2 = 0

Solving for variable 'f'.

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

Add '8' to each side of the equation.
-8 + 8 + 2f2 = 0 + 8

Combine like terms: -8 + 8 = 0
0 + 2f2 = 0 + 8
2f2 = 0 + 8

Combine like terms: 0 + 8 = 8
2f2 = 8

Divide each side by '2'.
f2 = 4

Simplifying
f2 = 4

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

See similar equations:

| 3/6+1/4 | | 15a=60a | | 724.00+10.50x=2500 | | x+x-3008=7872 | | 7/12+2/6 | | 2x^3-x^2-162+81=0 | | 725.00+10.50x=25.00 | | 2x^2-16x+30= | | 5/10-1/6 | | 5/3t+30 | | 2(y+6)=4(y-3) | | 5/7-3/7 | | 1.9*9= | | -6+3/8r | | 1.8*9= | | 300000=1500x^2/2 | | -2/9-(-1/3+1/4) | | 1.5*9= | | 8y-5=3(y+5) | | 2x+78=-40 | | 9.8+w/2.3 | | -5/6-(-2/5+2/3) | | 42y/6-9/3+16/8=396/12 | | y=2/3(12) | | 2+4y=5+6y | | 8x-9=-27 | | 3X+7=-5X-13 | | 3x-14=16-2x | | 40=8(x-3) | | y=2/3(6) | | y=2/3(5) | | y=2/3(4) |

Equations solver categories