x^2+19x+35=0

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Solution for x^2+19x+35=0 equation:


Simplifying
x2 + 19x + 35 = 0

Reorder the terms:
35 + 19x + x2 = 0

Solving
35 + 19x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '-35' to each side of the equation.
35 + 19x + -35 + x2 = 0 + -35

Reorder the terms:
35 + -35 + 19x + x2 = 0 + -35

Combine like terms: 35 + -35 = 0
0 + 19x + x2 = 0 + -35
19x + x2 = 0 + -35

Combine like terms: 0 + -35 = -35
19x + x2 = -35

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 = -35 + 90.25

Reorder the terms:
90.25 + 19x + x2 = -35 + 90.25

Combine like terms: -35 + 90.25 = 55.25
90.25 + 19x + x2 = 55.25

Factor a perfect square on the left side:
(x + 9.5)(x + 9.5) = 55.25

Calculate the square root of the right side: 7.433034374

Break this problem into two subproblems by setting 
(x + 9.5) equal to 7.433034374 and -7.433034374.

Subproblem 1

x + 9.5 = 7.433034374 Simplifying x + 9.5 = 7.433034374 Reorder the terms: 9.5 + x = 7.433034374 Solving 9.5 + x = 7.433034374 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 = 7.433034374 + -9.5 Combine like terms: 9.5 + -9.5 = 0.0 0.0 + x = 7.433034374 + -9.5 x = 7.433034374 + -9.5 Combine like terms: 7.433034374 + -9.5 = -2.066965626 x = -2.066965626 Simplifying x = -2.066965626

Subproblem 2

x + 9.5 = -7.433034374 Simplifying x + 9.5 = -7.433034374 Reorder the terms: 9.5 + x = -7.433034374 Solving 9.5 + x = -7.433034374 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 = -7.433034374 + -9.5 Combine like terms: 9.5 + -9.5 = 0.0 0.0 + x = -7.433034374 + -9.5 x = -7.433034374 + -9.5 Combine like terms: -7.433034374 + -9.5 = -16.933034374 x = -16.933034374 Simplifying x = -16.933034374

Solution

The solution to the problem is based on the solutions from the subproblems. x = {-2.066965626, -16.933034374}

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