x^2+17x+3=

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Solution for x^2+17x+3= equation:


Simplifying
x2 + 17x + 3 = 0

Reorder the terms:
3 + 17x + x2 = 0

Solving
3 + 17x + 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 + 17x + -3 + x2 = 0 + -3

Reorder the terms:
3 + -3 + 17x + x2 = 0 + -3

Combine like terms: 3 + -3 = 0
0 + 17x + x2 = 0 + -3
17x + x2 = 0 + -3

Combine like terms: 0 + -3 = -3
17x + x2 = -3

The x term is 17x.  Take half its coefficient (8.5).
Square it (72.25) and add it to both sides.

Add '72.25' to each side of the equation.
17x + 72.25 + x2 = -3 + 72.25

Reorder the terms:
72.25 + 17x + x2 = -3 + 72.25

Combine like terms: -3 + 72.25 = 69.25
72.25 + 17x + x2 = 69.25

Factor a perfect square on the left side:
(x + 8.5)(x + 8.5) = 69.25

Calculate the square root of the right side: 8.321658489

Break this problem into two subproblems by setting 
(x + 8.5) equal to 8.321658489 and -8.321658489.

Subproblem 1

x + 8.5 = 8.321658489 Simplifying x + 8.5 = 8.321658489 Reorder the terms: 8.5 + x = 8.321658489 Solving 8.5 + x = 8.321658489 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-8.5' to each side of the equation. 8.5 + -8.5 + x = 8.321658489 + -8.5 Combine like terms: 8.5 + -8.5 = 0.0 0.0 + x = 8.321658489 + -8.5 x = 8.321658489 + -8.5 Combine like terms: 8.321658489 + -8.5 = -0.178341511 x = -0.178341511 Simplifying x = -0.178341511

Subproblem 2

x + 8.5 = -8.321658489 Simplifying x + 8.5 = -8.321658489 Reorder the terms: 8.5 + x = -8.321658489 Solving 8.5 + x = -8.321658489 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-8.5' to each side of the equation. 8.5 + -8.5 + x = -8.321658489 + -8.5 Combine like terms: 8.5 + -8.5 = 0.0 0.0 + x = -8.321658489 + -8.5 x = -8.321658489 + -8.5 Combine like terms: -8.321658489 + -8.5 = -16.821658489 x = -16.821658489 Simplifying x = -16.821658489

Solution

The solution to the problem is based on the solutions from the subproblems. x = {-0.178341511, -16.821658489}

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