12x+200=x^2

Simple and best practice solution for 12x+200=x^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 12x+200=x^2 equation:


Simplifying
12x + 200 = x2

Reorder the terms:
200 + 12x = x2

Solving
200 + 12x = x2

Solving for variable 'x'.

Combine like terms: x2 + -1x2 = 0
200 + 12x + -1x2 = 0

Begin completing the square.  Divide all terms by
-1 the coefficient of the squared term: 

Divide each side by '-1'.
-200 + -12x + x2 = 0

Move the constant term to the right:

Add '200' to each side of the equation.
-200 + -12x + 200 + x2 = 0 + 200

Reorder the terms:
-200 + 200 + -12x + x2 = 0 + 200

Combine like terms: -200 + 200 = 0
0 + -12x + x2 = 0 + 200
-12x + x2 = 0 + 200

Combine like terms: 0 + 200 = 200
-12x + x2 = 200

The x term is -12x.  Take half its coefficient (-6).
Square it (36) and add it to both sides.

Add '36' to each side of the equation.
-12x + 36 + x2 = 200 + 36

Reorder the terms:
36 + -12x + x2 = 200 + 36

Combine like terms: 200 + 36 = 236
36 + -12x + x2 = 236

Factor a perfect square on the left side:
(x + -6)(x + -6) = 236

Calculate the square root of the right side: 15.362291496

Break this problem into two subproblems by setting 
(x + -6) equal to 15.362291496 and -15.362291496.

Subproblem 1

x + -6 = 15.362291496 Simplifying x + -6 = 15.362291496 Reorder the terms: -6 + x = 15.362291496 Solving -6 + x = 15.362291496 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '6' to each side of the equation. -6 + 6 + x = 15.362291496 + 6 Combine like terms: -6 + 6 = 0 0 + x = 15.362291496 + 6 x = 15.362291496 + 6 Combine like terms: 15.362291496 + 6 = 21.362291496 x = 21.362291496 Simplifying x = 21.362291496

Subproblem 2

x + -6 = -15.362291496 Simplifying x + -6 = -15.362291496 Reorder the terms: -6 + x = -15.362291496 Solving -6 + x = -15.362291496 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '6' to each side of the equation. -6 + 6 + x = -15.362291496 + 6 Combine like terms: -6 + 6 = 0 0 + x = -15.362291496 + 6 x = -15.362291496 + 6 Combine like terms: -15.362291496 + 6 = -9.362291496 x = -9.362291496 Simplifying x = -9.362291496

Solution

The solution to the problem is based on the solutions from the subproblems. x = {21.362291496, -9.362291496}

See similar equations:

| 210.000+x(0.15)=345.000 | | x^6-x^3=90 | | x*34567=54321 | | a+31=16 | | 4y-13=-6y+4 | | 9x^2+9y^2-12y=5 | | m+4+3m=14 | | 4y-13=-6+4 | | x-124=234 | | x^4+9x^2-10=0 | | p(-2.3)ym=0 | | 6x-24=3x+6 | | x+7733=210355 | | 156754-3c+7890c=145678c | | -23=x+36 | | m-4+3*m=14 | | 6(x-5)-3x=12 | | x(5+x)=x^2+3x+1 | | -(10+4p)+9p= | | x+x+4=54 | | r-92=115 | | 2x+20=x+80 | | x+4x=54 | | 2x+36=100 | | g(x)=x^3+9x | | .50x+x=240 | | 9/8=g-22/5 | | 8x^2+34=0 | | x+.3x= | | x-.30x=63 | | 2z-2=0 | | -11n+-4=0 |

Equations solver categories