x^2+5x*6=180

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Solution for x^2+5x*6=180 equation:


Simplifying
x2 + 5x * 6 = 180

Reorder the terms for easier multiplication:
x2 + 5 * 6x = 180

Multiply 5 * 6
x2 + 30x = 180

Reorder the terms:
30x + x2 = 180

Solving
30x + x2 = 180

Solving for variable 'x'.

Reorder the terms:
-180 + 30x + x2 = 180 + -180

Combine like terms: 180 + -180 = 0
-180 + 30x + x2 = 0

Begin completing the square.

Move the constant term to the right:

Add '180' to each side of the equation.
-180 + 30x + 180 + x2 = 0 + 180

Reorder the terms:
-180 + 180 + 30x + x2 = 0 + 180

Combine like terms: -180 + 180 = 0
0 + 30x + x2 = 0 + 180
30x + x2 = 0 + 180

Combine like terms: 0 + 180 = 180
30x + x2 = 180

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 = 180 + 225

Reorder the terms:
225 + 30x + x2 = 180 + 225

Combine like terms: 180 + 225 = 405
225 + 30x + x2 = 405

Factor a perfect square on the left side:
(x + 15)(x + 15) = 405

Calculate the square root of the right side: 20.124611797

Break this problem into two subproblems by setting 
(x + 15) equal to 20.124611797 and -20.124611797.

Subproblem 1

x + 15 = 20.124611797 Simplifying x + 15 = 20.124611797 Reorder the terms: 15 + x = 20.124611797 Solving 15 + x = 20.124611797 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 = 20.124611797 + -15 Combine like terms: 15 + -15 = 0 0 + x = 20.124611797 + -15 x = 20.124611797 + -15 Combine like terms: 20.124611797 + -15 = 5.124611797 x = 5.124611797 Simplifying x = 5.124611797

Subproblem 2

x + 15 = -20.124611797 Simplifying x + 15 = -20.124611797 Reorder the terms: 15 + x = -20.124611797 Solving 15 + x = -20.124611797 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 = -20.124611797 + -15 Combine like terms: 15 + -15 = 0 0 + x = -20.124611797 + -15 x = -20.124611797 + -15 Combine like terms: -20.124611797 + -15 = -35.124611797 x = -35.124611797 Simplifying x = -35.124611797

Solution

The solution to the problem is based on the solutions from the subproblems. x = {5.124611797, -35.124611797}

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