0.5g^2+8g+16=-7

Simple and best practice solution for 0.5g^2+8g+16=-7 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 0.5g^2+8g+16=-7 equation:


Simplifying
0.5g2 + 8g + 16 = -7

Reorder the terms:
16 + 8g + 0.5g2 = -7

Solving
16 + 8g + 0.5g2 = -7

Solving for variable 'g'.

Reorder the terms:
16 + 7 + 8g + 0.5g2 = -7 + 7

Combine like terms: 16 + 7 = 23
23 + 8g + 0.5g2 = -7 + 7

Combine like terms: -7 + 7 = 0
23 + 8g + 0.5g2 = 0

Begin completing the square.  Divide all terms by
0.5 the coefficient of the squared term: 

Divide each side by '0.5'.
46 + 16g + g2 = 0

Move the constant term to the right:

Add '-46' to each side of the equation.
46 + 16g + -46 + g2 = 0 + -46

Reorder the terms:
46 + -46 + 16g + g2 = 0 + -46

Combine like terms: 46 + -46 = 0
0 + 16g + g2 = 0 + -46
16g + g2 = 0 + -46

Combine like terms: 0 + -46 = -46
16g + g2 = -46

The g term is 16g.  Take half its coefficient (8).
Square it (64) and add it to both sides.

Add '64' to each side of the equation.
16g + 64 + g2 = -46 + 64

Reorder the terms:
64 + 16g + g2 = -46 + 64

Combine like terms: -46 + 64 = 18
64 + 16g + g2 = 18

Factor a perfect square on the left side:
(g + 8)(g + 8) = 18

Calculate the square root of the right side: 4.242640687

Break this problem into two subproblems by setting 
(g + 8) equal to 4.242640687 and -4.242640687.

Subproblem 1

g + 8 = 4.242640687 Simplifying g + 8 = 4.242640687 Reorder the terms: 8 + g = 4.242640687 Solving 8 + g = 4.242640687 Solving for variable 'g'. Move all terms containing g to the left, all other terms to the right. Add '-8' to each side of the equation. 8 + -8 + g = 4.242640687 + -8 Combine like terms: 8 + -8 = 0 0 + g = 4.242640687 + -8 g = 4.242640687 + -8 Combine like terms: 4.242640687 + -8 = -3.757359313 g = -3.757359313 Simplifying g = -3.757359313

Subproblem 2

g + 8 = -4.242640687 Simplifying g + 8 = -4.242640687 Reorder the terms: 8 + g = -4.242640687 Solving 8 + g = -4.242640687 Solving for variable 'g'. Move all terms containing g to the left, all other terms to the right. Add '-8' to each side of the equation. 8 + -8 + g = -4.242640687 + -8 Combine like terms: 8 + -8 = 0 0 + g = -4.242640687 + -8 g = -4.242640687 + -8 Combine like terms: -4.242640687 + -8 = -12.242640687 g = -12.242640687 Simplifying g = -12.242640687

Solution

The solution to the problem is based on the solutions from the subproblems. g = {-3.757359313, -12.242640687}

See similar equations:

| √5/√7 | | 2M^2+10M+2=0 | | 12x+8=15.5x-6 | | 5.6x-12.4=15.6 | | 8/10=28/m | | 0=8x+80-4x^2 | | x^2+12x+44=0 | | 12=-3(-6-2z) | | 5x+4=g(-10) | | 5a=23+2 | | 16/2=m/7 | | log(3x+8)=2+log(6x-7) | | 5x+4=g(7) | | 9.95k+3.59=33.44 | | 3x-9=f(-8) | | 2x+x=138 | | 7(x+3)-10=7x+4 | | 2x-5y+z=-5 | | 17w-9w=32 | | -4x-6(-4x+17)=-282 | | x^2+y^2-8x-2y-6=0 | | 3x-9=f(12) | | -0.7=3k+6 | | 2x+12=4x-76 | | 7/8x-3=4 | | 6x+10=6x+5 | | 7x+6(-5x-6)=-13 | | 13x+6.00=97 | | -4x-(-4x+17)=-282 | | 12x+8=15.5-6 | | (6+6i)x=-3-3i | | 155+x=40 |

Equations solver categories