0=5+12x-2x^2

Simple and best practice solution for 0=5+12x-2x^2 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 0=5+12x-2x^2 equation:


Simplifying
0 = 5 + 12x + -2x2

Solving
0 = 5 + 12x + -2x2

Solving for variable 'x'.

Combine like terms: 0 + -5 = -5
-5 + -12x + 2x2 = 5 + 12x + -2x2 + -5 + -12x + 2x2

Reorder the terms:
-5 + -12x + 2x2 = 5 + -5 + 12x + -12x + -2x2 + 2x2

Combine like terms: 5 + -5 = 0
-5 + -12x + 2x2 = 0 + 12x + -12x + -2x2 + 2x2
-5 + -12x + 2x2 = 12x + -12x + -2x2 + 2x2

Combine like terms: 12x + -12x = 0
-5 + -12x + 2x2 = 0 + -2x2 + 2x2
-5 + -12x + 2x2 = -2x2 + 2x2

Combine like terms: -2x2 + 2x2 = 0
-5 + -12x + 2x2 = 0

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

Divide each side by '2'.
-2.5 + -6x + x2 = 0

Move the constant term to the right:

Add '2.5' to each side of the equation.
-2.5 + -6x + 2.5 + x2 = 0 + 2.5

Reorder the terms:
-2.5 + 2.5 + -6x + x2 = 0 + 2.5

Combine like terms: -2.5 + 2.5 = 0.0
0.0 + -6x + x2 = 0 + 2.5
-6x + x2 = 0 + 2.5

Combine like terms: 0 + 2.5 = 2.5
-6x + x2 = 2.5

The x term is -6x.  Take half its coefficient (-3).
Square it (9) and add it to both sides.

Add '9' to each side of the equation.
-6x + 9 + x2 = 2.5 + 9

Reorder the terms:
9 + -6x + x2 = 2.5 + 9

Combine like terms: 2.5 + 9 = 11.5
9 + -6x + x2 = 11.5

Factor a perfect square on the left side:
(x + -3)(x + -3) = 11.5

Calculate the square root of the right side: 3.391164992

Break this problem into two subproblems by setting 
(x + -3) equal to 3.391164992 and -3.391164992.

Subproblem 1

x + -3 = 3.391164992 Simplifying x + -3 = 3.391164992 Reorder the terms: -3 + x = 3.391164992 Solving -3 + x = 3.391164992 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '3' to each side of the equation. -3 + 3 + x = 3.391164992 + 3 Combine like terms: -3 + 3 = 0 0 + x = 3.391164992 + 3 x = 3.391164992 + 3 Combine like terms: 3.391164992 + 3 = 6.391164992 x = 6.391164992 Simplifying x = 6.391164992

Subproblem 2

x + -3 = -3.391164992 Simplifying x + -3 = -3.391164992 Reorder the terms: -3 + x = -3.391164992 Solving -3 + x = -3.391164992 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '3' to each side of the equation. -3 + 3 + x = -3.391164992 + 3 Combine like terms: -3 + 3 = 0 0 + x = -3.391164992 + 3 x = -3.391164992 + 3 Combine like terms: -3.391164992 + 3 = -0.391164992 x = -0.391164992 Simplifying x = -0.391164992

Solution

The solution to the problem is based on the solutions from the subproblems. x = {6.391164992, -0.391164992}

See similar equations:

| 5(x+9)(x-11)=0 | | -4(2y-7)-y=-4(y-2) | | 6x-(4x+8)=4x-42 | | 5(2x-1)-(3x-4)=0 | | -3(4s-1)-3=-2(9s+10)-3 | | U+2=14 | | b+-1+4b=38 | | 36x^3+3x^2-3x= | | b-1+4b=x | | 7x-(2x-7)=52 | | 7-3x-9=4x+2 | | 48-0.5x=33 | | 48-0.5x= | | 3d+4=12d+3d | | 0.20x+0.05(0-x)=0.10(17) | | 11(15x)=66 | | 25c^4+10c^3+c^2= | | 3x^2-4y^2-12z^2=0 | | -5x^20-7x^10=15 | | 2x^2-8/4x-8 | | -14(13p-5q-14)= | | http://media.education2020.com/evresources/648-07-02-00-00_files/i0070000.jpg | | K-3.4=4.25 | | 9z/3 | | 12p=30-3p | | 9c=0 | | 2(n-3)-(5-6n)=7n | | 1790-150= | | y=17-z | | 4.2x+5=12(2.5-3x) | | 15c^2-65c+50= | | 4r+2(1+6r)=130 |

Equations solver categories