x^2+38x+70=0

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Solution for x^2+38x+70=0 equation:


Simplifying
x2 + 38x + 70 = 0

Reorder the terms:
70 + 38x + x2 = 0

Solving
70 + 38x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '-70' to each side of the equation.
70 + 38x + -70 + x2 = 0 + -70

Reorder the terms:
70 + -70 + 38x + x2 = 0 + -70

Combine like terms: 70 + -70 = 0
0 + 38x + x2 = 0 + -70
38x + x2 = 0 + -70

Combine like terms: 0 + -70 = -70
38x + x2 = -70

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 = -70 + 361

Reorder the terms:
361 + 38x + x2 = -70 + 361

Combine like terms: -70 + 361 = 291
361 + 38x + x2 = 291

Factor a perfect square on the left side:
(x + 19)(x + 19) = 291

Calculate the square root of the right side: 17.058722109

Break this problem into two subproblems by setting 
(x + 19) equal to 17.058722109 and -17.058722109.

Subproblem 1

x + 19 = 17.058722109 Simplifying x + 19 = 17.058722109 Reorder the terms: 19 + x = 17.058722109 Solving 19 + x = 17.058722109 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 = 17.058722109 + -19 Combine like terms: 19 + -19 = 0 0 + x = 17.058722109 + -19 x = 17.058722109 + -19 Combine like terms: 17.058722109 + -19 = -1.941277891 x = -1.941277891 Simplifying x = -1.941277891

Subproblem 2

x + 19 = -17.058722109 Simplifying x + 19 = -17.058722109 Reorder the terms: 19 + x = -17.058722109 Solving 19 + x = -17.058722109 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 = -17.058722109 + -19 Combine like terms: 19 + -19 = 0 0 + x = -17.058722109 + -19 x = -17.058722109 + -19 Combine like terms: -17.058722109 + -19 = -36.058722109 x = -36.058722109 Simplifying x = -36.058722109

Solution

The solution to the problem is based on the solutions from the subproblems. x = {-1.941277891, -36.058722109}

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