3x(x-2)=4(-x+3)

Simple and best practice solution for 3x(x-2)=4(-x+3) 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 3x(x-2)=4(-x+3) equation:


Simplifying
3x(x + -2) = 4(-1x + 3)

Reorder the terms:
3x(-2 + x) = 4(-1x + 3)
(-2 * 3x + x * 3x) = 4(-1x + 3)
(-6x + 3x2) = 4(-1x + 3)

Reorder the terms:
-6x + 3x2 = 4(3 + -1x)
-6x + 3x2 = (3 * 4 + -1x * 4)
-6x + 3x2 = (12 + -4x)

Solving
-6x + 3x2 = 12 + -4x

Solving for variable 'x'.

Reorder the terms:
-12 + -6x + 4x + 3x2 = 12 + -4x + -12 + 4x

Combine like terms: -6x + 4x = -2x
-12 + -2x + 3x2 = 12 + -4x + -12 + 4x

Reorder the terms:
-12 + -2x + 3x2 = 12 + -12 + -4x + 4x

Combine like terms: 12 + -12 = 0
-12 + -2x + 3x2 = 0 + -4x + 4x
-12 + -2x + 3x2 = -4x + 4x

Combine like terms: -4x + 4x = 0
-12 + -2x + 3x2 = 0

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

Divide each side by '3'.
-4 + -0.6666666667x + x2 = 0

Move the constant term to the right:

Add '4' to each side of the equation.
-4 + -0.6666666667x + 4 + x2 = 0 + 4

Reorder the terms:
-4 + 4 + -0.6666666667x + x2 = 0 + 4

Combine like terms: -4 + 4 = 0
0 + -0.6666666667x + x2 = 0 + 4
-0.6666666667x + x2 = 0 + 4

Combine like terms: 0 + 4 = 4
-0.6666666667x + x2 = 4

The x term is -0.6666666667x.  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.
-0.6666666667x + 0.1111111112 + x2 = 4 + 0.1111111112

Reorder the terms:
0.1111111112 + -0.6666666667x + x2 = 4 + 0.1111111112

Combine like terms: 4 + 0.1111111112 = 4.1111111112
0.1111111112 + -0.6666666667x + x2 = 4.1111111112

Factor a perfect square on the left side:
(x + -0.3333333334)(x + -0.3333333334) = 4.1111111112

Calculate the square root of the right side: 2.02758751

Break this problem into two subproblems by setting 
(x + -0.3333333334) equal to 2.02758751 and -2.02758751.

Subproblem 1

x + -0.3333333334 = 2.02758751 Simplifying x + -0.3333333334 = 2.02758751 Reorder the terms: -0.3333333334 + x = 2.02758751 Solving -0.3333333334 + x = 2.02758751 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.3333333334' to each side of the equation. -0.3333333334 + 0.3333333334 + x = 2.02758751 + 0.3333333334 Combine like terms: -0.3333333334 + 0.3333333334 = 0.0000000000 0.0000000000 + x = 2.02758751 + 0.3333333334 x = 2.02758751 + 0.3333333334 Combine like terms: 2.02758751 + 0.3333333334 = 2.3609208434 x = 2.3609208434 Simplifying x = 2.3609208434

Subproblem 2

x + -0.3333333334 = -2.02758751 Simplifying x + -0.3333333334 = -2.02758751 Reorder the terms: -0.3333333334 + x = -2.02758751 Solving -0.3333333334 + x = -2.02758751 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.3333333334' to each side of the equation. -0.3333333334 + 0.3333333334 + x = -2.02758751 + 0.3333333334 Combine like terms: -0.3333333334 + 0.3333333334 = 0.0000000000 0.0000000000 + x = -2.02758751 + 0.3333333334 x = -2.02758751 + 0.3333333334 Combine like terms: -2.02758751 + 0.3333333334 = -1.6942541766 x = -1.6942541766 Simplifying x = -1.6942541766

Solution

The solution to the problem is based on the solutions from the subproblems. x = {2.3609208434, -1.6942541766}

See similar equations:

| -8(t-8)-(t+1)=7 | | z^2+13az+12a^2=0 | | 4x+1+x=3+8 | | 4x-7=-3(2x-6) | | -8x-12x=160 | | 3(2x+9)=4(2x+7) | | 9x-2y=8 | | 6+6h=2h-5 | | x^4+12x^3+12x^2+12x+11=0 | | 5y+3(T-shirt)=(y+2)-3 | | 7+4x=31 | | 3x^2=11x+42 | | c^4-64c^2=0 | | 5c-7c=32 | | -8X-7x=105 | | n^3-n=3n^2-3 | | 8x+9x=136 | | 3x+7x=50 | | 16s^2+40s=-25 | | .60t-4=5 | | 3x-10y=-50 | | 8-16y=24 | | 4x+13=-59 | | 3x+12=6x-6 | | r^2+13r+40=0 | | 0-16y=24 | | x=3a+2b+c | | -8-16y=24 | | -80=9y-8 | | 3x-10=-37 | | -34=5x+6 | | 2m+6=-26 |

Equations solver categories