3f^2+2f=6

Simple and best practice solution for 3f^2+2f=6 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 3f^2+2f=6 equation:


Simplifying
3f2 + 2f = 6

Reorder the terms:
2f + 3f2 = 6

Solving
2f + 3f2 = 6

Solving for variable 'f'.

Reorder the terms:
-6 + 2f + 3f2 = 6 + -6

Combine like terms: 6 + -6 = 0
-6 + 2f + 3f2 = 0

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

Divide each side by '3'.
-2 + 0.6666666667f + f2 = 0

Move the constant term to the right:

Add '2' to each side of the equation.
-2 + 0.6666666667f + 2 + f2 = 0 + 2

Reorder the terms:
-2 + 2 + 0.6666666667f + f2 = 0 + 2

Combine like terms: -2 + 2 = 0
0 + 0.6666666667f + f2 = 0 + 2
0.6666666667f + f2 = 0 + 2

Combine like terms: 0 + 2 = 2
0.6666666667f + f2 = 2

The f term is 0.6666666667f.  Take half its coefficient (0.3333333334).
Square it (0.1111111112) and add it to both sides.

Add '0.1111111112' to each side of the equation.
0.6666666667f + 0.1111111112 + f2 = 2 + 0.1111111112

Reorder the terms:
0.1111111112 + 0.6666666667f + f2 = 2 + 0.1111111112

Combine like terms: 2 + 0.1111111112 = 2.1111111112
0.1111111112 + 0.6666666667f + f2 = 2.1111111112

Factor a perfect square on the left side:
(f + 0.3333333334)(f + 0.3333333334) = 2.1111111112

Calculate the square root of the right side: 1.452966315

Break this problem into two subproblems by setting 
(f + 0.3333333334) equal to 1.452966315 and -1.452966315.

Subproblem 1

f + 0.3333333334 = 1.452966315 Simplifying f + 0.3333333334 = 1.452966315 Reorder the terms: 0.3333333334 + f = 1.452966315 Solving 0.3333333334 + f = 1.452966315 Solving for variable 'f'. Move all terms containing f to the left, all other terms to the right. Add '-0.3333333334' to each side of the equation. 0.3333333334 + -0.3333333334 + f = 1.452966315 + -0.3333333334 Combine like terms: 0.3333333334 + -0.3333333334 = 0.0000000000 0.0000000000 + f = 1.452966315 + -0.3333333334 f = 1.452966315 + -0.3333333334 Combine like terms: 1.452966315 + -0.3333333334 = 1.1196329816 f = 1.1196329816 Simplifying f = 1.1196329816

Subproblem 2

f + 0.3333333334 = -1.452966315 Simplifying f + 0.3333333334 = -1.452966315 Reorder the terms: 0.3333333334 + f = -1.452966315 Solving 0.3333333334 + f = -1.452966315 Solving for variable 'f'. Move all terms containing f to the left, all other terms to the right. Add '-0.3333333334' to each side of the equation. 0.3333333334 + -0.3333333334 + f = -1.452966315 + -0.3333333334 Combine like terms: 0.3333333334 + -0.3333333334 = 0.0000000000 0.0000000000 + f = -1.452966315 + -0.3333333334 f = -1.452966315 + -0.3333333334 Combine like terms: -1.452966315 + -0.3333333334 = -1.7862996484 f = -1.7862996484 Simplifying f = -1.7862996484

Solution

The solution to the problem is based on the solutions from the subproblems. f = {1.1196329816, -1.7862996484}

See similar equations:

| (x-1)/(x+1) | | -84=6(-6a-8) | | 8x+9=9x-6 | | -84=7(m-5) | | x^3-6x^2+12=2x | | 9=-3b-6b | | 3x^3-6x=-3x^2 | | 3.4+6R=24 | | 74h=100 | | 4/8X-6=-24 | | -x/x | | 7y-3=6y-5 | | 3/5x+4/5=-2/5 | | 3(x+7)-(2x-1)=-3 | | 60=(1/2x+7)*x | | 3/10z=6 | | 25x^2-81x=0 | | -4a-(-2a)+11=6a-13 | | 3x^2-20x+12= | | 14b+2=19b+33 | | 4x^2+12x-7= | | 8p-8/9p^4 | | -3x-4(x+1)=-3(2x+3) | | 100=3x+70 | | -1/7(x-14)-1/5(x-5)=x-2 | | 8x^2-6x-9= | | 15x+9(6-x)=3x-18 | | 5+3y=0 | | 4(5x-9)-19x=8 | | d=2h-h+-h | | 5m-4=19 | | p-7=-4 |

Equations solver categories