-x^2+30x+32=0

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Solution for -x^2+30x+32=0 equation:


Simplifying
-1x2 + 30x + 32 = 0

Reorder the terms:
32 + 30x + -1x2 = 0

Solving
32 + 30x + -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'.
-32 + -30x + x2 = 0

Move the constant term to the right:

Add '32' to each side of the equation.
-32 + -30x + 32 + x2 = 0 + 32

Reorder the terms:
-32 + 32 + -30x + x2 = 0 + 32

Combine like terms: -32 + 32 = 0
0 + -30x + x2 = 0 + 32
-30x + x2 = 0 + 32

Combine like terms: 0 + 32 = 32
-30x + x2 = 32

The x term is -30x.  Take half its coefficient (-15).
Square it (225) and add it to both sides.

Add '225' to each side of the equation.
-30x + 225 + x2 = 32 + 225

Reorder the terms:
225 + -30x + x2 = 32 + 225

Combine like terms: 32 + 225 = 257
225 + -30x + x2 = 257

Factor a perfect square on the left side:
(x + -15)(x + -15) = 257

Calculate the square root of the right side: 16.031219542

Break this problem into two subproblems by setting 
(x + -15) equal to 16.031219542 and -16.031219542.

Subproblem 1

x + -15 = 16.031219542 Simplifying x + -15 = 16.031219542 Reorder the terms: -15 + x = 16.031219542 Solving -15 + x = 16.031219542 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '15' to each side of the equation. -15 + 15 + x = 16.031219542 + 15 Combine like terms: -15 + 15 = 0 0 + x = 16.031219542 + 15 x = 16.031219542 + 15 Combine like terms: 16.031219542 + 15 = 31.031219542 x = 31.031219542 Simplifying x = 31.031219542

Subproblem 2

x + -15 = -16.031219542 Simplifying x + -15 = -16.031219542 Reorder the terms: -15 + x = -16.031219542 Solving -15 + x = -16.031219542 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '15' to each side of the equation. -15 + 15 + x = -16.031219542 + 15 Combine like terms: -15 + 15 = 0 0 + x = -16.031219542 + 15 x = -16.031219542 + 15 Combine like terms: -16.031219542 + 15 = -1.031219542 x = -1.031219542 Simplifying x = -1.031219542

Solution

The solution to the problem is based on the solutions from the subproblems. x = {31.031219542, -1.031219542}

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