-x^2+29x+222=0

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Solution for -x^2+29x+222=0 equation:


Simplifying
-1x2 + 29x + 222 = 0

Reorder the terms:
222 + 29x + -1x2 = 0

Solving
222 + 29x + -1x2 = 0

Solving for variable 'x'.

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

Divide each side by '-1'.
-222 + -29x + x2 = 0

Move the constant term to the right:

Add '222' to each side of the equation.
-222 + -29x + 222 + x2 = 0 + 222

Reorder the terms:
-222 + 222 + -29x + x2 = 0 + 222

Combine like terms: -222 + 222 = 0
0 + -29x + x2 = 0 + 222
-29x + x2 = 0 + 222

Combine like terms: 0 + 222 = 222
-29x + x2 = 222

The x term is -29x.  Take half its coefficient (-14.5).
Square it (210.25) and add it to both sides.

Add '210.25' to each side of the equation.
-29x + 210.25 + x2 = 222 + 210.25

Reorder the terms:
210.25 + -29x + x2 = 222 + 210.25

Combine like terms: 222 + 210.25 = 432.25
210.25 + -29x + x2 = 432.25

Factor a perfect square on the left side:
(x + -14.5)(x + -14.5) = 432.25

Calculate the square root of the right side: 20.790622886

Break this problem into two subproblems by setting 
(x + -14.5) equal to 20.790622886 and -20.790622886.

Subproblem 1

x + -14.5 = 20.790622886 Simplifying x + -14.5 = 20.790622886 Reorder the terms: -14.5 + x = 20.790622886 Solving -14.5 + x = 20.790622886 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '14.5' to each side of the equation. -14.5 + 14.5 + x = 20.790622886 + 14.5 Combine like terms: -14.5 + 14.5 = 0.0 0.0 + x = 20.790622886 + 14.5 x = 20.790622886 + 14.5 Combine like terms: 20.790622886 + 14.5 = 35.290622886 x = 35.290622886 Simplifying x = 35.290622886

Subproblem 2

x + -14.5 = -20.790622886 Simplifying x + -14.5 = -20.790622886 Reorder the terms: -14.5 + x = -20.790622886 Solving -14.5 + x = -20.790622886 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '14.5' to each side of the equation. -14.5 + 14.5 + x = -20.790622886 + 14.5 Combine like terms: -14.5 + 14.5 = 0.0 0.0 + x = -20.790622886 + 14.5 x = -20.790622886 + 14.5 Combine like terms: -20.790622886 + 14.5 = -6.290622886 x = -6.290622886 Simplifying x = -6.290622886

Solution

The solution to the problem is based on the solutions from the subproblems. x = {35.290622886, -6.290622886}

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