x^2+19x+3=

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Solution for x^2+19x+3= equation:


Simplifying
x2 + 19x + 3 = 0

Reorder the terms:
3 + 19x + x2 = 0

Solving
3 + 19x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '-3' to each side of the equation.
3 + 19x + -3 + x2 = 0 + -3

Reorder the terms:
3 + -3 + 19x + x2 = 0 + -3

Combine like terms: 3 + -3 = 0
0 + 19x + x2 = 0 + -3
19x + x2 = 0 + -3

Combine like terms: 0 + -3 = -3
19x + x2 = -3

The x term is 19x.  Take half its coefficient (9.5).
Square it (90.25) and add it to both sides.

Add '90.25' to each side of the equation.
19x + 90.25 + x2 = -3 + 90.25

Reorder the terms:
90.25 + 19x + x2 = -3 + 90.25

Combine like terms: -3 + 90.25 = 87.25
90.25 + 19x + x2 = 87.25

Factor a perfect square on the left side:
(x + 9.5)(x + 9.5) = 87.25

Calculate the square root of the right side: 9.340770846

Break this problem into two subproblems by setting 
(x + 9.5) equal to 9.340770846 and -9.340770846.

Subproblem 1

x + 9.5 = 9.340770846 Simplifying x + 9.5 = 9.340770846 Reorder the terms: 9.5 + x = 9.340770846 Solving 9.5 + x = 9.340770846 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-9.5' to each side of the equation. 9.5 + -9.5 + x = 9.340770846 + -9.5 Combine like terms: 9.5 + -9.5 = 0.0 0.0 + x = 9.340770846 + -9.5 x = 9.340770846 + -9.5 Combine like terms: 9.340770846 + -9.5 = -0.159229154 x = -0.159229154 Simplifying x = -0.159229154

Subproblem 2

x + 9.5 = -9.340770846 Simplifying x + 9.5 = -9.340770846 Reorder the terms: 9.5 + x = -9.340770846 Solving 9.5 + x = -9.340770846 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-9.5' to each side of the equation. 9.5 + -9.5 + x = -9.340770846 + -9.5 Combine like terms: 9.5 + -9.5 = 0.0 0.0 + x = -9.340770846 + -9.5 x = -9.340770846 + -9.5 Combine like terms: -9.340770846 + -9.5 = -18.840770846 x = -18.840770846 Simplifying x = -18.840770846

Solution

The solution to the problem is based on the solutions from the subproblems. x = {-0.159229154, -18.840770846}

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