g^2-4g+8=0

Simple and best practice solution for g^2-4g+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 g^2-4g+8=0 equation:


Simplifying
g2 + -4g + 8 = 0

Reorder the terms:
8 + -4g + g2 = 0

Solving
8 + -4g + g2 = 0

Solving for variable 'g'.

Begin completing the square.

Move the constant term to the right:

Add '-8' to each side of the equation.
8 + -4g + -8 + g2 = 0 + -8

Reorder the terms:
8 + -8 + -4g + g2 = 0 + -8

Combine like terms: 8 + -8 = 0
0 + -4g + g2 = 0 + -8
-4g + g2 = 0 + -8

Combine like terms: 0 + -8 = -8
-4g + g2 = -8

The g term is -4g.  Take half its coefficient (-2).
Square it (4) and add it to both sides.

Add '4' to each side of the equation.
-4g + 4 + g2 = -8 + 4

Reorder the terms:
4 + -4g + g2 = -8 + 4

Combine like terms: -8 + 4 = -4
4 + -4g + g2 = -4

Factor a perfect square on the left side:
(g + -2)(g + -2) = -4

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| b^2-44=5 | | 0.25x+3(4x-2)=49 | | 2(3x+8)+(x-9)=110 | | 45+100+24= | | 28=n+19 | | 3x-8+3x=2(x-2) | | v^2+8v+10=3 | | 0.50x+0.05(8-x)=0.10(-50) | | 7(4x-2)=28x-14 | | 26=3u-16 | | 20x-8-16x+3=14x-6-10x+11 | | -63=6x-1 | | 9x^2-4x+8=0 | | 36-40=y+12 | | b^2=-4-5b | | -6x-3(-x+5)=-36 | | 2b-10=-24 | | 3x-(5x+11)=15 | | 2y-31=y+11 | | y/3+1/2=5/6 | | 4b=13 | | 4(x+3)+2x=-6 | | 6n^2+144=-66n | | -2v-10=-24 | | -6t+(-8)=46 | | 2x^2-62x-100=0 | | -6t+(-8)=-8 | | 3x+20=2y | | -5x+2(5x+9)=-42 | | 2x^2-62-100=0 | | -6n+6+8n=-5+2n-1 | | 2y-y=5-7 |

Equations solver categories