x^2+38x=67

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Solution for x^2+38x=67 equation:


Simplifying
x2 + 38x = 67

Reorder the terms:
38x + x2 = 67

Solving
38x + x2 = 67

Solving for variable 'x'.

Reorder the terms:
-67 + 38x + x2 = 67 + -67

Combine like terms: 67 + -67 = 0
-67 + 38x + x2 = 0

Begin completing the square.

Move the constant term to the right:

Add '67' to each side of the equation.
-67 + 38x + 67 + x2 = 0 + 67

Reorder the terms:
-67 + 67 + 38x + x2 = 0 + 67

Combine like terms: -67 + 67 = 0
0 + 38x + x2 = 0 + 67
38x + x2 = 0 + 67

Combine like terms: 0 + 67 = 67
38x + x2 = 67

The x term is 38x.  Take half its coefficient (19).
Square it (361) and add it to both sides.

Add '361' to each side of the equation.
38x + 361 + x2 = 67 + 361

Reorder the terms:
361 + 38x + x2 = 67 + 361

Combine like terms: 67 + 361 = 428
361 + 38x + x2 = 428

Factor a perfect square on the left side:
(x + 19)(x + 19) = 428

Calculate the square root of the right side: 20.688160866

Break this problem into two subproblems by setting 
(x + 19) equal to 20.688160866 and -20.688160866.

Subproblem 1

x + 19 = 20.688160866 Simplifying x + 19 = 20.688160866 Reorder the terms: 19 + x = 20.688160866 Solving 19 + x = 20.688160866 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-19' to each side of the equation. 19 + -19 + x = 20.688160866 + -19 Combine like terms: 19 + -19 = 0 0 + x = 20.688160866 + -19 x = 20.688160866 + -19 Combine like terms: 20.688160866 + -19 = 1.688160866 x = 1.688160866 Simplifying x = 1.688160866

Subproblem 2

x + 19 = -20.688160866 Simplifying x + 19 = -20.688160866 Reorder the terms: 19 + x = -20.688160866 Solving 19 + x = -20.688160866 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-19' to each side of the equation. 19 + -19 + x = -20.688160866 + -19 Combine like terms: 19 + -19 = 0 0 + x = -20.688160866 + -19 x = -20.688160866 + -19 Combine like terms: -20.688160866 + -19 = -39.688160866 x = -39.688160866 Simplifying x = -39.688160866

Solution

The solution to the problem is based on the solutions from the subproblems. x = {1.688160866, -39.688160866}

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