0=-g^2+120g-28

Simple and best practice solution for 0=-g^2+120g-28 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=-g^2+120g-28 equation:


Simplifying
0 = -1g2 + 120g + -28

Reorder the terms:
0 = -28 + 120g + -1g2

Solving
0 = -28 + 120g + -1g2

Solving for variable 'g'.

Combine like terms: 0 + 28 = 28
28 + -120g + g2 = -28 + 120g + -1g2 + 28 + -120g + g2

Reorder the terms:
28 + -120g + g2 = -28 + 28 + 120g + -120g + -1g2 + g2

Combine like terms: -28 + 28 = 0
28 + -120g + g2 = 0 + 120g + -120g + -1g2 + g2
28 + -120g + g2 = 120g + -120g + -1g2 + g2

Combine like terms: 120g + -120g = 0
28 + -120g + g2 = 0 + -1g2 + g2
28 + -120g + g2 = -1g2 + g2

Combine like terms: -1g2 + g2 = 0
28 + -120g + g2 = 0

Begin completing the square.

Move the constant term to the right:

Add '-28' to each side of the equation.
28 + -120g + -28 + g2 = 0 + -28

Reorder the terms:
28 + -28 + -120g + g2 = 0 + -28

Combine like terms: 28 + -28 = 0
0 + -120g + g2 = 0 + -28
-120g + g2 = 0 + -28

Combine like terms: 0 + -28 = -28
-120g + g2 = -28

The g term is -120g.  Take half its coefficient (-60).
Square it (3600) and add it to both sides.

Add '3600' to each side of the equation.
-120g + 3600 + g2 = -28 + 3600

Reorder the terms:
3600 + -120g + g2 = -28 + 3600

Combine like terms: -28 + 3600 = 3572
3600 + -120g + g2 = 3572

Factor a perfect square on the left side:
(g + -60)(g + -60) = 3572

Calculate the square root of the right side: 59.76621119

Break this problem into two subproblems by setting 
(g + -60) equal to 59.76621119 and -59.76621119.

Subproblem 1

g + -60 = 59.76621119 Simplifying g + -60 = 59.76621119 Reorder the terms: -60 + g = 59.76621119 Solving -60 + g = 59.76621119 Solving for variable 'g'. Move all terms containing g to the left, all other terms to the right. Add '60' to each side of the equation. -60 + 60 + g = 59.76621119 + 60 Combine like terms: -60 + 60 = 0 0 + g = 59.76621119 + 60 g = 59.76621119 + 60 Combine like terms: 59.76621119 + 60 = 119.76621119 g = 119.76621119 Simplifying g = 119.76621119

Subproblem 2

g + -60 = -59.76621119 Simplifying g + -60 = -59.76621119 Reorder the terms: -60 + g = -59.76621119 Solving -60 + g = -59.76621119 Solving for variable 'g'. Move all terms containing g to the left, all other terms to the right. Add '60' to each side of the equation. -60 + 60 + g = -59.76621119 + 60 Combine like terms: -60 + 60 = 0 0 + g = -59.76621119 + 60 g = -59.76621119 + 60 Combine like terms: -59.76621119 + 60 = 0.23378881 g = 0.23378881 Simplifying g = 0.23378881

Solution

The solution to the problem is based on the solutions from the subproblems. g = {119.76621119, 0.23378881}

See similar equations:

| -6-6= | | x-49=0 | | 7/10+(-2/5)= | | =7/10+(-2/5) | | 3x*2-24x+36=0 | | 6=7x-3x-6 | | r^2+14r=0 | | 2(x+12)+5x-10=12 | | -5+(-8)+5= | | 5y-4x=15 | | 3n-3=-18 | | 4*(x-3)=9 | | 5x^2+5=0 | | 3n-4=-22 | | 4x-y=-16 | | 16x^2-121=0 | | 6x-3=3(2x-1) | | 2(n+50)=-2 | | 43665n-3547264=6578n*6674 | | -8+2+(-12)= | | 4y-x=-16 | | -3(h+8)=-12 | | 20x-10=0 | | (11x+10)-3(3+4x)=2 | | Y^4=81 | | 2X+2=5X-8 | | -4(n-6)=12 | | 5-4x=14+5x | | p^2-11p+24=0 | | 54+8x+7x= | | 4x=3x+16 | | 4+(-15)+(-4)= |

Equations solver categories