x^2-36x-113=0

Simple and best practice solution for x^2-36x-113=0 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 x^2-36x-113=0 equation:


Simplifying
x2 + -36x + -113 = 0

Reorder the terms:
-113 + -36x + x2 = 0

Solving
-113 + -36x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '113' to each side of the equation.
-113 + -36x + 113 + x2 = 0 + 113

Reorder the terms:
-113 + 113 + -36x + x2 = 0 + 113

Combine like terms: -113 + 113 = 0
0 + -36x + x2 = 0 + 113
-36x + x2 = 0 + 113

Combine like terms: 0 + 113 = 113
-36x + x2 = 113

The x term is -36x.  Take half its coefficient (-18).
Square it (324) and add it to both sides.

Add '324' to each side of the equation.
-36x + 324 + x2 = 113 + 324

Reorder the terms:
324 + -36x + x2 = 113 + 324

Combine like terms: 113 + 324 = 437
324 + -36x + x2 = 437

Factor a perfect square on the left side:
(x + -18)(x + -18) = 437

Calculate the square root of the right side: 20.90454496

Break this problem into two subproblems by setting 
(x + -18) equal to 20.90454496 and -20.90454496.

Subproblem 1

x + -18 = 20.90454496 Simplifying x + -18 = 20.90454496 Reorder the terms: -18 + x = 20.90454496 Solving -18 + x = 20.90454496 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '18' to each side of the equation. -18 + 18 + x = 20.90454496 + 18 Combine like terms: -18 + 18 = 0 0 + x = 20.90454496 + 18 x = 20.90454496 + 18 Combine like terms: 20.90454496 + 18 = 38.90454496 x = 38.90454496 Simplifying x = 38.90454496

Subproblem 2

x + -18 = -20.90454496 Simplifying x + -18 = -20.90454496 Reorder the terms: -18 + x = -20.90454496 Solving -18 + x = -20.90454496 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '18' to each side of the equation. -18 + 18 + x = -20.90454496 + 18 Combine like terms: -18 + 18 = 0 0 + x = -20.90454496 + 18 x = -20.90454496 + 18 Combine like terms: -20.90454496 + 18 = -2.90454496 x = -2.90454496 Simplifying x = -2.90454496

Solution

The solution to the problem is based on the solutions from the subproblems. x = {38.90454496, -2.90454496}

See similar equations:

| -5ac^3(8c^2+9a^4-3)=0 | | X+4x+5x^2=42 | | 2cos^2x=sinx+2 | | -63-9x=32-4x | | 7X-2R=4 | | (-27x^-9y^2)^1/3 | | D/14=-9 | | -3.2x=-0.2016 | | 6y(y)=-7y-2 | | -5/6z=-1 | | 4x^2-3x+81=y | | x-3/14=9/14 | | 4(6-8)=208 | | -163-5x=9x+75 | | (34x/24x) | | 2.54x+7.6=1.5x-32.72 | | 20+8x=14x | | 34x/24x | | 8t-6t=10 | | -2y(-y-10)= | | (X-9)(x-9)=66 | | 10r(r)-21r=-4r+6 | | 3m/5=21 | | 90x+60= | | -56-7x=8x+124 | | 3r+3r+3r=27 | | x^2-25x-264=0 | | 8g/18-g/3 | | 3x^2-81x+150=0 | | 3=z/8.2 | | 2t=5-8-2 | | 3x^2-27x=f(x) |

Equations solver categories