g*g-8g+16=2

Simple and best practice solution for g*g-8g+16=2 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*g-8g+16=2 equation:


Simplifying
g * g + -8g + 16 = 2

Multiply g * g
g2 + -8g + 16 = 2

Reorder the terms:
16 + -8g + g2 = 2

Solving
16 + -8g + g2 = 2

Solving for variable 'g'.

Reorder the terms:
16 + -2 + -8g + g2 = 2 + -2

Combine like terms: 16 + -2 = 14
14 + -8g + g2 = 2 + -2

Combine like terms: 2 + -2 = 0
14 + -8g + g2 = 0

Begin completing the square.

Move the constant term to the right:

Add '-14' to each side of the equation.
14 + -8g + -14 + g2 = 0 + -14

Reorder the terms:
14 + -14 + -8g + g2 = 0 + -14

Combine like terms: 14 + -14 = 0
0 + -8g + g2 = 0 + -14
-8g + g2 = 0 + -14

Combine like terms: 0 + -14 = -14
-8g + g2 = -14

The g term is -8g.  Take half its coefficient (-4).
Square it (16) and add it to both sides.

Add '16' to each side of the equation.
-8g + 16 + g2 = -14 + 16

Reorder the terms:
16 + -8g + g2 = -14 + 16

Combine like terms: -14 + 16 = 2
16 + -8g + g2 = 2

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

Calculate the square root of the right side: 1.414213562

Break this problem into two subproblems by setting 
(g + -4) equal to 1.414213562 and -1.414213562.

Subproblem 1

g + -4 = 1.414213562 Simplifying g + -4 = 1.414213562 Reorder the terms: -4 + g = 1.414213562 Solving -4 + g = 1.414213562 Solving for variable 'g'. Move all terms containing g to the left, all other terms to the right. Add '4' to each side of the equation. -4 + 4 + g = 1.414213562 + 4 Combine like terms: -4 + 4 = 0 0 + g = 1.414213562 + 4 g = 1.414213562 + 4 Combine like terms: 1.414213562 + 4 = 5.414213562 g = 5.414213562 Simplifying g = 5.414213562

Subproblem 2

g + -4 = -1.414213562 Simplifying g + -4 = -1.414213562 Reorder the terms: -4 + g = -1.414213562 Solving -4 + g = -1.414213562 Solving for variable 'g'. Move all terms containing g to the left, all other terms to the right. Add '4' to each side of the equation. -4 + 4 + g = -1.414213562 + 4 Combine like terms: -4 + 4 = 0 0 + g = -1.414213562 + 4 g = -1.414213562 + 4 Combine like terms: -1.414213562 + 4 = 2.585786438 g = 2.585786438 Simplifying g = 2.585786438

Solution

The solution to the problem is based on the solutions from the subproblems. g = {5.414213562, 2.585786438}

See similar equations:

| x-6=-2+7 | | Itgx-1I=m^2-6m | | 0.9z-1.1=-1.1z+2.9 | | b*b-4b+4=16 | | (x-2)34= | | 5-0,3=9-0,7 | | Y=72-1.3x | | 2(u+3)=w-5u | | A^4-81b^4=0 | | 72-18+30*.5+2+1+-10= | | 4.3x-3.1+x-2.6= | | 6(3x-5)=5(x-2)+5 | | 2x-3=12x-3 | | -2(t-3)+7t=9t-1 | | 48+16*x-16*x^2=0 | | 9w-38=-3w | | -3-4x=13-15 | | 4b-5-9b-9= | | 72-18+30*.5+2+1+10= | | -6-3x=7x+14 | | Y^4-2y^2-3=0 | | 21+1/2x=100-5 | | 0.1y+1.122=5.2y | | 6x+11=13+4x | | 30v^2+19vr-63r^2= | | 3p/8+3/4=(p-3)/2 | | -5(t-3)+7t=9t-1 | | 8-9x=10x-5 | | -3=6a | | x^4-2x^3-8x=0 | | m+3m-7m+4= | | 4x+15=3+4x+3x |

Equations solver categories