X^2+22X-360=0

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Solution for X^2+22X-360=0 equation:


Simplifying
X2 + 22X + -360 = 0

Reorder the terms:
-360 + 22X + X2 = 0

Solving
-360 + 22X + 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 + 22X + 360 + X2 = 0 + 360

Reorder the terms:
-360 + 360 + 22X + X2 = 0 + 360

Combine like terms: -360 + 360 = 0
0 + 22X + X2 = 0 + 360
22X + X2 = 0 + 360

Combine like terms: 0 + 360 = 360
22X + X2 = 360

The X term is 22X.  Take half its coefficient (11).
Square it (121) and add it to both sides.

Add '121' to each side of the equation.
22X + 121 + X2 = 360 + 121

Reorder the terms:
121 + 22X + X2 = 360 + 121

Combine like terms: 360 + 121 = 481
121 + 22X + X2 = 481

Factor a perfect square on the left side:
(X + 11)(X + 11) = 481

Calculate the square root of the right side: 21.931712199

Break this problem into two subproblems by setting 
(X + 11) equal to 21.931712199 and -21.931712199.

Subproblem 1

X + 11 = 21.931712199 Simplifying X + 11 = 21.931712199 Reorder the terms: 11 + X = 21.931712199 Solving 11 + X = 21.931712199 Solving for variable 'X'. Move all terms containing X to the left, all other terms to the right. Add '-11' to each side of the equation. 11 + -11 + X = 21.931712199 + -11 Combine like terms: 11 + -11 = 0 0 + X = 21.931712199 + -11 X = 21.931712199 + -11 Combine like terms: 21.931712199 + -11 = 10.931712199 X = 10.931712199 Simplifying X = 10.931712199

Subproblem 2

X + 11 = -21.931712199 Simplifying X + 11 = -21.931712199 Reorder the terms: 11 + X = -21.931712199 Solving 11 + X = -21.931712199 Solving for variable 'X'. Move all terms containing X to the left, all other terms to the right. Add '-11' to each side of the equation. 11 + -11 + X = -21.931712199 + -11 Combine like terms: 11 + -11 = 0 0 + X = -21.931712199 + -11 X = -21.931712199 + -11 Combine like terms: -21.931712199 + -11 = -32.931712199 X = -32.931712199 Simplifying X = -32.931712199

Solution

The solution to the problem is based on the solutions from the subproblems. X = {10.931712199, -32.931712199}

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