6x(3x-5)+12=x

Simple and best practice solution for 6x(3x-5)+12=x 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 6x(3x-5)+12=x equation:


Simplifying
6x(3x + -5) + 12 = x

Reorder the terms:
6x(-5 + 3x) + 12 = x
(-5 * 6x + 3x * 6x) + 12 = x
(-30x + 18x2) + 12 = x

Reorder the terms:
12 + -30x + 18x2 = x

Solving
12 + -30x + 18x2 = x

Solving for variable 'x'.

Reorder the terms:
12 + -30x + -1x + 18x2 = x + -1x

Combine like terms: -30x + -1x = -31x
12 + -31x + 18x2 = x + -1x

Combine like terms: x + -1x = 0
12 + -31x + 18x2 = 0

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

Divide each side by '18'.
0.6666666667 + -1.722222222x + x2 = 0

Move the constant term to the right:

Add '-0.6666666667' to each side of the equation.
0.6666666667 + -1.722222222x + -0.6666666667 + x2 = 0 + -0.6666666667

Reorder the terms:
0.6666666667 + -0.6666666667 + -1.722222222x + x2 = 0 + -0.6666666667

Combine like terms: 0.6666666667 + -0.6666666667 = 0.0000000000
0.0000000000 + -1.722222222x + x2 = 0 + -0.6666666667
-1.722222222x + x2 = 0 + -0.6666666667

Combine like terms: 0 + -0.6666666667 = -0.6666666667
-1.722222222x + x2 = -0.6666666667

The x term is -1.722222222x.  Take half its coefficient (-0.861111111).
Square it (0.7415123455) and add it to both sides.

Add '0.7415123455' to each side of the equation.
-1.722222222x + 0.7415123455 + x2 = -0.6666666667 + 0.7415123455

Reorder the terms:
0.7415123455 + -1.722222222x + x2 = -0.6666666667 + 0.7415123455

Combine like terms: -0.6666666667 + 0.7415123455 = 0.0748456788
0.7415123455 + -1.722222222x + x2 = 0.0748456788

Factor a perfect square on the left side:
(x + -0.861111111)(x + -0.861111111) = 0.0748456788

Calculate the square root of the right side: 0.273579383

Break this problem into two subproblems by setting 
(x + -0.861111111) equal to 0.273579383 and -0.273579383.

Subproblem 1

x + -0.861111111 = 0.273579383 Simplifying x + -0.861111111 = 0.273579383 Reorder the terms: -0.861111111 + x = 0.273579383 Solving -0.861111111 + x = 0.273579383 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.861111111' to each side of the equation. -0.861111111 + 0.861111111 + x = 0.273579383 + 0.861111111 Combine like terms: -0.861111111 + 0.861111111 = 0.000000000 0.000000000 + x = 0.273579383 + 0.861111111 x = 0.273579383 + 0.861111111 Combine like terms: 0.273579383 + 0.861111111 = 1.134690494 x = 1.134690494 Simplifying x = 1.134690494

Subproblem 2

x + -0.861111111 = -0.273579383 Simplifying x + -0.861111111 = -0.273579383 Reorder the terms: -0.861111111 + x = -0.273579383 Solving -0.861111111 + x = -0.273579383 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.861111111' to each side of the equation. -0.861111111 + 0.861111111 + x = -0.273579383 + 0.861111111 Combine like terms: -0.861111111 + 0.861111111 = 0.000000000 0.000000000 + x = -0.273579383 + 0.861111111 x = -0.273579383 + 0.861111111 Combine like terms: -0.273579383 + 0.861111111 = 0.587531728 x = 0.587531728 Simplifying x = 0.587531728

Solution

The solution to the problem is based on the solutions from the subproblems. x = {1.134690494, 0.587531728}

See similar equations:

| -5-3n=-2n | | (x-1)/(x-2)-(7-6x)/(2x^2-7x+6)+4/(2x-3) | | 41/2x+4=48-x | | X^2+34x-336=0 | | X^2-34x-336=0 | | 2.6k=4k-3.5 | | -6-12+4x=-3 | | ln(5)5=ln(x) | | 2p^3+5p=3p^2 | | 6x(3x-5)+12x=0 | | -8/5+4=10/3-2b | | nsquared+3n-12=6 | | 7b-9=2b+6 | | 2w+w^2= | | 4y-7+4x-2=y+14+x+28 | | 16x^2-52x-14= | | x=26(7x+9) | | X^(3/2)-15x^(1/2)=0 | | 5x^2-28x+15= | | X^(3/2)-15^(1/2)=0 | | X^(3/2)-15(1/2)=0 | | a=2(3+2a) | | (-6-i)+5i-(11+13i)= | | -2x^2-14x-24= | | 8t^2/2t^0.5 | | 3c+11/c+11 | | -(p-6)-p=18 | | 3x-24=18 | | d/4-12=-23 | | 32=4(9)(3)+2(3)(h) | | 9x-5/2=4x-5/6 | | 20-k/2 |

Equations solver categories