4x^2+54x+119=0

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Solution for 4x^2+54x+119=0 equation:


Simplifying
4x2 + 54x + 119 = 0

Reorder the terms:
119 + 54x + 4x2 = 0

Solving
119 + 54x + 4x2 = 0

Solving for variable 'x'.

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

Divide each side by '4'.
29.75 + 13.5x + x2 = 0

Move the constant term to the right:

Add '-29.75' to each side of the equation.
29.75 + 13.5x + -29.75 + x2 = 0 + -29.75

Reorder the terms:
29.75 + -29.75 + 13.5x + x2 = 0 + -29.75

Combine like terms: 29.75 + -29.75 = 0.00
0.00 + 13.5x + x2 = 0 + -29.75
13.5x + x2 = 0 + -29.75

Combine like terms: 0 + -29.75 = -29.75
13.5x + x2 = -29.75

The x term is 13.5x.  Take half its coefficient (6.75).
Square it (45.5625) and add it to both sides.

Add '45.5625' to each side of the equation.
13.5x + 45.5625 + x2 = -29.75 + 45.5625

Reorder the terms:
45.5625 + 13.5x + x2 = -29.75 + 45.5625

Combine like terms: -29.75 + 45.5625 = 15.8125
45.5625 + 13.5x + x2 = 15.8125

Factor a perfect square on the left side:
(x + 6.75)(x + 6.75) = 15.8125

Calculate the square root of the right side: 3.97649343

Break this problem into two subproblems by setting 
(x + 6.75) equal to 3.97649343 and -3.97649343.

Subproblem 1

x + 6.75 = 3.97649343 Simplifying x + 6.75 = 3.97649343 Reorder the terms: 6.75 + x = 3.97649343 Solving 6.75 + x = 3.97649343 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-6.75' to each side of the equation. 6.75 + -6.75 + x = 3.97649343 + -6.75 Combine like terms: 6.75 + -6.75 = 0.00 0.00 + x = 3.97649343 + -6.75 x = 3.97649343 + -6.75 Combine like terms: 3.97649343 + -6.75 = -2.77350657 x = -2.77350657 Simplifying x = -2.77350657

Subproblem 2

x + 6.75 = -3.97649343 Simplifying x + 6.75 = -3.97649343 Reorder the terms: 6.75 + x = -3.97649343 Solving 6.75 + x = -3.97649343 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-6.75' to each side of the equation. 6.75 + -6.75 + x = -3.97649343 + -6.75 Combine like terms: 6.75 + -6.75 = 0.00 0.00 + x = -3.97649343 + -6.75 x = -3.97649343 + -6.75 Combine like terms: -3.97649343 + -6.75 = -10.72649343 x = -10.72649343 Simplifying x = -10.72649343

Solution

The solution to the problem is based on the solutions from the subproblems. x = {-2.77350657, -10.72649343}

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