5g^2+4g-2=0

Simple and best practice solution for 5g^2+4g-2=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 5g^2+4g-2=0 equation:


Simplifying
5g2 + 4g + -2 = 0

Reorder the terms:
-2 + 4g + 5g2 = 0

Solving
-2 + 4g + 5g2 = 0

Solving for variable 'g'.

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

Divide each side by '5'.
-0.4 + 0.8g + g2 = 0

Move the constant term to the right:

Add '0.4' to each side of the equation.
-0.4 + 0.8g + 0.4 + g2 = 0 + 0.4

Reorder the terms:
-0.4 + 0.4 + 0.8g + g2 = 0 + 0.4

Combine like terms: -0.4 + 0.4 = 0.0
0.0 + 0.8g + g2 = 0 + 0.4
0.8g + g2 = 0 + 0.4

Combine like terms: 0 + 0.4 = 0.4
0.8g + g2 = 0.4

The g term is 0.8g.  Take half its coefficient (0.4).
Square it (0.16) and add it to both sides.

Add '0.16' to each side of the equation.
0.8g + 0.16 + g2 = 0.4 + 0.16

Reorder the terms:
0.16 + 0.8g + g2 = 0.4 + 0.16

Combine like terms: 0.4 + 0.16 = 0.56
0.16 + 0.8g + g2 = 0.56

Factor a perfect square on the left side:
(g + 0.4)(g + 0.4) = 0.56

Calculate the square root of the right side: 0.748331477

Break this problem into two subproblems by setting 
(g + 0.4) equal to 0.748331477 and -0.748331477.

Subproblem 1

g + 0.4 = 0.748331477 Simplifying g + 0.4 = 0.748331477 Reorder the terms: 0.4 + g = 0.748331477 Solving 0.4 + g = 0.748331477 Solving for variable 'g'. Move all terms containing g to the left, all other terms to the right. Add '-0.4' to each side of the equation. 0.4 + -0.4 + g = 0.748331477 + -0.4 Combine like terms: 0.4 + -0.4 = 0.0 0.0 + g = 0.748331477 + -0.4 g = 0.748331477 + -0.4 Combine like terms: 0.748331477 + -0.4 = 0.348331477 g = 0.348331477 Simplifying g = 0.348331477

Subproblem 2

g + 0.4 = -0.748331477 Simplifying g + 0.4 = -0.748331477 Reorder the terms: 0.4 + g = -0.748331477 Solving 0.4 + g = -0.748331477 Solving for variable 'g'. Move all terms containing g to the left, all other terms to the right. Add '-0.4' to each side of the equation. 0.4 + -0.4 + g = -0.748331477 + -0.4 Combine like terms: 0.4 + -0.4 = 0.0 0.0 + g = -0.748331477 + -0.4 g = -0.748331477 + -0.4 Combine like terms: -0.748331477 + -0.4 = -1.148331477 g = -1.148331477 Simplifying g = -1.148331477

Solution

The solution to the problem is based on the solutions from the subproblems. g = {0.348331477, -1.148331477}

See similar equations:

| 20+8+2a=16a(3) | | -21-8n=-4(9n+5) | | 5g^2+4g-2=o | | -2(3-7z)=25 | | 6x-6+8x=-6 | | -27=3x+5x | | 25r^2-25r-6=0 | | 2(-44h-13)=37+13h | | -3(9f-7)=-32-6f | | n^2-14n+24= | | 15x+16=0 | | 7a+7a=0 | | an+bn=cn | | 5x+13=p | | 19=-3(6y+7) | | F(t)=t-2t^2 | | 13+5x=x | | -13n+6=-11n-2 | | 3x+5-(2x+9)=(-5-2) | | 1-4x+8=21 | | 8f^2+4f-7=0 | | 8=16a+20(2a+3) | | T=hP-2B | | 16a+8=20(2a+3) | | 10X-X+8-3=12+3X-X+7 | | 16a=8(2a+3)+20 | | -16t^2+12t+52= | | 5-(x+3)=-4 | | -35=-5+6(b-8) | | 2x-7=x-2 | | -2(6+5p)-4=2(4-6p) | | 156=w-12 |

Equations solver categories