x^2-11x-360=0

Simple and best practice solution for x^2-11x-360=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^2-11x-360=0 equation:


Simplifying
x2 + -11x + -360 = 0

Reorder the terms:
-360 + -11x + x2 = 0

Solving
-360 + -11x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '360' to each side of the equation.
-360 + -11x + 360 + x2 = 0 + 360

Reorder the terms:
-360 + 360 + -11x + x2 = 0 + 360

Combine like terms: -360 + 360 = 0
0 + -11x + x2 = 0 + 360
-11x + x2 = 0 + 360

Combine like terms: 0 + 360 = 360
-11x + x2 = 360

The x term is -11x.  Take half its coefficient (-5.5).
Square it (30.25) and add it to both sides.

Add '30.25' to each side of the equation.
-11x + 30.25 + x2 = 360 + 30.25

Reorder the terms:
30.25 + -11x + x2 = 360 + 30.25

Combine like terms: 360 + 30.25 = 390.25
30.25 + -11x + x2 = 390.25

Factor a perfect square on the left side:
(x + -5.5)(x + -5.5) = 390.25

Calculate the square root of the right side: 19.754746265

Break this problem into two subproblems by setting 
(x + -5.5) equal to 19.754746265 and -19.754746265.

Subproblem 1

x + -5.5 = 19.754746265 Simplifying x + -5.5 = 19.754746265 Reorder the terms: -5.5 + x = 19.754746265 Solving -5.5 + x = 19.754746265 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '5.5' to each side of the equation. -5.5 + 5.5 + x = 19.754746265 + 5.5 Combine like terms: -5.5 + 5.5 = 0.0 0.0 + x = 19.754746265 + 5.5 x = 19.754746265 + 5.5 Combine like terms: 19.754746265 + 5.5 = 25.254746265 x = 25.254746265 Simplifying x = 25.254746265

Subproblem 2

x + -5.5 = -19.754746265 Simplifying x + -5.5 = -19.754746265 Reorder the terms: -5.5 + x = -19.754746265 Solving -5.5 + x = -19.754746265 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '5.5' to each side of the equation. -5.5 + 5.5 + x = -19.754746265 + 5.5 Combine like terms: -5.5 + 5.5 = 0.0 0.0 + x = -19.754746265 + 5.5 x = -19.754746265 + 5.5 Combine like terms: -19.754746265 + 5.5 = -14.254746265 x = -14.254746265 Simplifying x = -14.254746265

Solution

The solution to the problem is based on the solutions from the subproblems. x = {25.254746265, -14.254746265}

See similar equations:

| x^2-11x-360x=0 | | ln(x)+kx+3=0 | | X+26=48 | | f(3x+2)=x^2 | | 2(4x*5)=6 | | 2x+4-6=18 | | lg(x-1)=lg(5x-3) | | X(6x)=96 | | 6(y-2)=6y-12 | | 3(2x-4)=3(x+5) | | 5y=11x-9 | | 14+5= | | (x+7)+2x=97 | | 6x^3+x^2-10x+3=0 | | 7x^2+3y^2=21 | | 2k^3+3k^2-k+5= | | (x-2)-(3x-8)=0 | | 5(x+4)=26 | | 3x-4+2x=51 | | 8x^3-24x^2+72x-27=0 | | 4+3=18+2x | | 7x-4=3x+52 | | (6x-5)(x-11)=0 | | d+4.96=9 | | 2x+3mc+4xy= | | x^3-3x^2+7=0 | | x*x-x=14.5 | | 20z^2+49z=0 | | 3a-2=23+4a | | 4y+7=37 | | 9+2y+7=7y+1 | | 14p+12q+p-5q-6p= |

Equations solver categories