x^2+14x-33=0

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Solution for x^2+14x-33=0 equation:


Simplifying
x2 + 14x + -33 = 0

Reorder the terms:
-33 + 14x + x2 = 0

Solving
-33 + 14x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '33' to each side of the equation.
-33 + 14x + 33 + x2 = 0 + 33

Reorder the terms:
-33 + 33 + 14x + x2 = 0 + 33

Combine like terms: -33 + 33 = 0
0 + 14x + x2 = 0 + 33
14x + x2 = 0 + 33

Combine like terms: 0 + 33 = 33
14x + x2 = 33

The x term is 14x.  Take half its coefficient (7).
Square it (49) and add it to both sides.

Add '49' to each side of the equation.
14x + 49 + x2 = 33 + 49

Reorder the terms:
49 + 14x + x2 = 33 + 49

Combine like terms: 33 + 49 = 82
49 + 14x + x2 = 82

Factor a perfect square on the left side:
(x + 7)(x + 7) = 82

Calculate the square root of the right side: 9.055385138

Break this problem into two subproblems by setting 
(x + 7) equal to 9.055385138 and -9.055385138.

Subproblem 1

x + 7 = 9.055385138 Simplifying x + 7 = 9.055385138 Reorder the terms: 7 + x = 9.055385138 Solving 7 + x = 9.055385138 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-7' to each side of the equation. 7 + -7 + x = 9.055385138 + -7 Combine like terms: 7 + -7 = 0 0 + x = 9.055385138 + -7 x = 9.055385138 + -7 Combine like terms: 9.055385138 + -7 = 2.055385138 x = 2.055385138 Simplifying x = 2.055385138

Subproblem 2

x + 7 = -9.055385138 Simplifying x + 7 = -9.055385138 Reorder the terms: 7 + x = -9.055385138 Solving 7 + x = -9.055385138 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-7' to each side of the equation. 7 + -7 + x = -9.055385138 + -7 Combine like terms: 7 + -7 = 0 0 + x = -9.055385138 + -7 x = -9.055385138 + -7 Combine like terms: -9.055385138 + -7 = -16.055385138 x = -16.055385138 Simplifying x = -16.055385138

Solution

The solution to the problem is based on the solutions from the subproblems. x = {2.055385138, -16.055385138}

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