x^2+30x-6=0

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Solution for x^2+30x-6=0 equation:


Simplifying
x2 + 30x + -6 = 0

Reorder the terms:
-6 + 30x + x2 = 0

Solving
-6 + 30x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '6' to each side of the equation.
-6 + 30x + 6 + x2 = 0 + 6

Reorder the terms:
-6 + 6 + 30x + x2 = 0 + 6

Combine like terms: -6 + 6 = 0
0 + 30x + x2 = 0 + 6
30x + x2 = 0 + 6

Combine like terms: 0 + 6 = 6
30x + x2 = 6

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 = 6 + 225

Reorder the terms:
225 + 30x + x2 = 6 + 225

Combine like terms: 6 + 225 = 231
225 + 30x + x2 = 231

Factor a perfect square on the left side:
(x + 15)(x + 15) = 231

Calculate the square root of the right side: 15.198684154

Break this problem into two subproblems by setting 
(x + 15) equal to 15.198684154 and -15.198684154.

Subproblem 1

x + 15 = 15.198684154 Simplifying x + 15 = 15.198684154 Reorder the terms: 15 + x = 15.198684154 Solving 15 + x = 15.198684154 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 = 15.198684154 + -15 Combine like terms: 15 + -15 = 0 0 + x = 15.198684154 + -15 x = 15.198684154 + -15 Combine like terms: 15.198684154 + -15 = 0.198684154 x = 0.198684154 Simplifying x = 0.198684154

Subproblem 2

x + 15 = -15.198684154 Simplifying x + 15 = -15.198684154 Reorder the terms: 15 + x = -15.198684154 Solving 15 + x = -15.198684154 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 = -15.198684154 + -15 Combine like terms: 15 + -15 = 0 0 + x = -15.198684154 + -15 x = -15.198684154 + -15 Combine like terms: -15.198684154 + -15 = -30.198684154 x = -30.198684154 Simplifying x = -30.198684154

Solution

The solution to the problem is based on the solutions from the subproblems. x = {0.198684154, -30.198684154}

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