2x^2+16x+29=0

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Solution for 2x^2+16x+29=0 equation:


Simplifying
2x2 + 16x + 29 = 0

Reorder the terms:
29 + 16x + 2x2 = 0

Solving
29 + 16x + 2x2 = 0

Solving for variable 'x'.

Begin completing the square.  Divide all terms by
2 the coefficient of the squared term: 

Divide each side by '2'.
14.5 + 8x + x2 = 0

Move the constant term to the right:

Add '-14.5' to each side of the equation.
14.5 + 8x + -14.5 + x2 = 0 + -14.5

Reorder the terms:
14.5 + -14.5 + 8x + x2 = 0 + -14.5

Combine like terms: 14.5 + -14.5 = 0.0
0.0 + 8x + x2 = 0 + -14.5
8x + x2 = 0 + -14.5

Combine like terms: 0 + -14.5 = -14.5
8x + x2 = -14.5

The x term is 8x.  Take half its coefficient (4).
Square it (16) and add it to both sides.

Add '16' to each side of the equation.
8x + 16 + x2 = -14.5 + 16

Reorder the terms:
16 + 8x + x2 = -14.5 + 16

Combine like terms: -14.5 + 16 = 1.5
16 + 8x + x2 = 1.5

Factor a perfect square on the left side:
(x + 4)(x + 4) = 1.5

Calculate the square root of the right side: 1.224744871

Break this problem into two subproblems by setting 
(x + 4) equal to 1.224744871 and -1.224744871.

Subproblem 1

x + 4 = 1.224744871 Simplifying x + 4 = 1.224744871 Reorder the terms: 4 + x = 1.224744871 Solving 4 + x = 1.224744871 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-4' to each side of the equation. 4 + -4 + x = 1.224744871 + -4 Combine like terms: 4 + -4 = 0 0 + x = 1.224744871 + -4 x = 1.224744871 + -4 Combine like terms: 1.224744871 + -4 = -2.775255129 x = -2.775255129 Simplifying x = -2.775255129

Subproblem 2

x + 4 = -1.224744871 Simplifying x + 4 = -1.224744871 Reorder the terms: 4 + x = -1.224744871 Solving 4 + x = -1.224744871 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-4' to each side of the equation. 4 + -4 + x = -1.224744871 + -4 Combine like terms: 4 + -4 = 0 0 + x = -1.224744871 + -4 x = -1.224744871 + -4 Combine like terms: -1.224744871 + -4 = -5.224744871 x = -5.224744871 Simplifying x = -5.224744871

Solution

The solution to the problem is based on the solutions from the subproblems. x = {-2.775255129, -5.224744871}

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