g^2+2g-23=0

Simple and best practice solution for g^2+2g-23=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+2g-23=0 equation:


Simplifying
g2 + 2g + -23 = 0

Reorder the terms:
-23 + 2g + g2 = 0

Solving
-23 + 2g + g2 = 0

Solving for variable 'g'.

Begin completing the square.

Move the constant term to the right:

Add '23' to each side of the equation.
-23 + 2g + 23 + g2 = 0 + 23

Reorder the terms:
-23 + 23 + 2g + g2 = 0 + 23

Combine like terms: -23 + 23 = 0
0 + 2g + g2 = 0 + 23
2g + g2 = 0 + 23

Combine like terms: 0 + 23 = 23
2g + g2 = 23

The g term is 2g.  Take half its coefficient (1).
Square it (1) and add it to both sides.

Add '1' to each side of the equation.
2g + 1 + g2 = 23 + 1

Reorder the terms:
1 + 2g + g2 = 23 + 1

Combine like terms: 23 + 1 = 24
1 + 2g + g2 = 24

Factor a perfect square on the left side:
(g + 1)(g + 1) = 24

Calculate the square root of the right side: 4.898979486

Break this problem into two subproblems by setting 
(g + 1) equal to 4.898979486 and -4.898979486.

Subproblem 1

g + 1 = 4.898979486 Simplifying g + 1 = 4.898979486 Reorder the terms: 1 + g = 4.898979486 Solving 1 + g = 4.898979486 Solving for variable 'g'. Move all terms containing g to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + g = 4.898979486 + -1 Combine like terms: 1 + -1 = 0 0 + g = 4.898979486 + -1 g = 4.898979486 + -1 Combine like terms: 4.898979486 + -1 = 3.898979486 g = 3.898979486 Simplifying g = 3.898979486

Subproblem 2

g + 1 = -4.898979486 Simplifying g + 1 = -4.898979486 Reorder the terms: 1 + g = -4.898979486 Solving 1 + g = -4.898979486 Solving for variable 'g'. Move all terms containing g to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + g = -4.898979486 + -1 Combine like terms: 1 + -1 = 0 0 + g = -4.898979486 + -1 g = -4.898979486 + -1 Combine like terms: -4.898979486 + -1 = -5.898979486 g = -5.898979486 Simplifying g = -5.898979486

Solution

The solution to the problem is based on the solutions from the subproblems. g = {3.898979486, -5.898979486}

See similar equations:

| 6(s+2)=3(s-6) | | 4t+6=14 | | 5c^2-12c-9=0 | | g^2-24g-47=0 | | 1-0.3x=-3 | | 5a^2-12c-9=0 | | 4-3k+1=2 | | j^2+2j=29 | | 2000000=515000x | | x^4-x^2+10x-25=0 | | 5(y+3)+2=-2(8-3y)+2y | | h^2+28h=-9 | | 7b-7=9b | | 9z+9-7z=63-7z | | w^2-26w-47=0 | | p^2-6p-49=0 | | 8x+7=8x*4 | | 2t-3+2=5 | | -4(y-3y)+6=-5(2y-y)+4+12y | | f^2-18f=1 | | 12a^2+12a-9=0 | | 3(5k+3)-6k=18 | | -4x^2-16x+12=0 | | -24=2s+(6s+16) | | 6(a-7)+15=3(a-6) | | 5x+5=54-2x | | x=25-4x | | 3k-8k+15=-5 | | k^2-6k-29=0 | | 3y^2+42y=-135 | | (4y+1)+(y-4)=12 | | 0.7x-0.9(5-x)=5.9 |

Equations solver categories