4=3x^2-6x

Simple and best practice solution for 4=3x^2-6x 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 4=3x^2-6x equation:


Simplifying
4 = 3x2 + -6x

Reorder the terms:
4 = -6x + 3x2

Solving
4 = -6x + 3x2

Solving for variable 'x'.

Reorder the terms:
4 + 6x + -3x2 = -6x + 6x + 3x2 + -3x2

Combine like terms: -6x + 6x = 0
4 + 6x + -3x2 = 0 + 3x2 + -3x2
4 + 6x + -3x2 = 3x2 + -3x2

Combine like terms: 3x2 + -3x2 = 0
4 + 6x + -3x2 = 0

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

Divide each side by '-3'.
-1.333333333 + -2x + x2 = 0

Move the constant term to the right:

Add '1.333333333' to each side of the equation.
-1.333333333 + -2x + 1.333333333 + x2 = 0 + 1.333333333

Reorder the terms:
-1.333333333 + 1.333333333 + -2x + x2 = 0 + 1.333333333

Combine like terms: -1.333333333 + 1.333333333 = 0.000000000
0.000000000 + -2x + x2 = 0 + 1.333333333
-2x + x2 = 0 + 1.333333333

Combine like terms: 0 + 1.333333333 = 1.333333333
-2x + x2 = 1.333333333

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

Add '1' to each side of the equation.
-2x + 1 + x2 = 1.333333333 + 1

Reorder the terms:
1 + -2x + x2 = 1.333333333 + 1

Combine like terms: 1.333333333 + 1 = 2.333333333
1 + -2x + x2 = 2.333333333

Factor a perfect square on the left side:
(x + -1)(x + -1) = 2.333333333

Calculate the square root of the right side: 1.527525232

Break this problem into two subproblems by setting 
(x + -1) equal to 1.527525232 and -1.527525232.

Subproblem 1

x + -1 = 1.527525232 Simplifying x + -1 = 1.527525232 Reorder the terms: -1 + x = 1.527525232 Solving -1 + x = 1.527525232 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '1' to each side of the equation. -1 + 1 + x = 1.527525232 + 1 Combine like terms: -1 + 1 = 0 0 + x = 1.527525232 + 1 x = 1.527525232 + 1 Combine like terms: 1.527525232 + 1 = 2.527525232 x = 2.527525232 Simplifying x = 2.527525232

Subproblem 2

x + -1 = -1.527525232 Simplifying x + -1 = -1.527525232 Reorder the terms: -1 + x = -1.527525232 Solving -1 + x = -1.527525232 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '1' to each side of the equation. -1 + 1 + x = -1.527525232 + 1 Combine like terms: -1 + 1 = 0 0 + x = -1.527525232 + 1 x = -1.527525232 + 1 Combine like terms: -1.527525232 + 1 = -0.527525232 x = -0.527525232 Simplifying x = -0.527525232

Solution

The solution to the problem is based on the solutions from the subproblems. x = {2.527525232, -0.527525232}

See similar equations:

| X^2-34x=78 | | -2p(2-q/2) | | 5x=100/2 | | x^2-4x/x-2=14-9x/x-2 | | 10(x-7)-8(x+3)=30-x | | 4x^5-32x^3=0 | | -4x+11=14 | | x=16*4x | | 75=20x-15y | | 75=20x+15y | | F(x)=cos(8x-1) | | 58=17x-7y | | 58=17x+7y | | x=15-(13-19) | | x=(x+1)*(1-2x) | | x=(2x+1)*2 | | x=(12x-6)/3 | | x=7*(-x+2) | | 3/4*s=-20 | | S3/4=-20 | | x(x+8)=6x+3 | | 5x+4-3x=7x-8+11 | | y-2=1/2(x-(-4)) | | 218-178= | | 6x^3+15X^2+6x=0 | | 46.37*18.48= | | 2xy*x+3y= | | 6(x^2)+6x-44=0 | | 5(2x-6)=2(5-x) | | 3+4=-5+2 | | 3x+2=-5x+4 | | 4*(3+4x)=-18 |

Equations solver categories