5x^2-14x-44=0

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Solution for 5x^2-14x-44=0 equation:


Simplifying
5x2 + -14x + -44 = 0

Reorder the terms:
-44 + -14x + 5x2 = 0

Solving
-44 + -14x + 5x2 = 0

Solving for variable 'x'.

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

Divide each side by '5'.
-8.8 + -2.8x + x2 = 0

Move the constant term to the right:

Add '8.8' to each side of the equation.
-8.8 + -2.8x + 8.8 + x2 = 0 + 8.8

Reorder the terms:
-8.8 + 8.8 + -2.8x + x2 = 0 + 8.8

Combine like terms: -8.8 + 8.8 = 0.0
0.0 + -2.8x + x2 = 0 + 8.8
-2.8x + x2 = 0 + 8.8

Combine like terms: 0 + 8.8 = 8.8
-2.8x + x2 = 8.8

The x term is -2.8x.  Take half its coefficient (-1.4).
Square it (1.96) and add it to both sides.

Add '1.96' to each side of the equation.
-2.8x + 1.96 + x2 = 8.8 + 1.96

Reorder the terms:
1.96 + -2.8x + x2 = 8.8 + 1.96

Combine like terms: 8.8 + 1.96 = 10.76
1.96 + -2.8x + x2 = 10.76

Factor a perfect square on the left side:
(x + -1.4)(x + -1.4) = 10.76

Calculate the square root of the right side: 3.280243893

Break this problem into two subproblems by setting 
(x + -1.4) equal to 3.280243893 and -3.280243893.

Subproblem 1

x + -1.4 = 3.280243893 Simplifying x + -1.4 = 3.280243893 Reorder the terms: -1.4 + x = 3.280243893 Solving -1.4 + x = 3.280243893 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '1.4' to each side of the equation. -1.4 + 1.4 + x = 3.280243893 + 1.4 Combine like terms: -1.4 + 1.4 = 0.0 0.0 + x = 3.280243893 + 1.4 x = 3.280243893 + 1.4 Combine like terms: 3.280243893 + 1.4 = 4.680243893 x = 4.680243893 Simplifying x = 4.680243893

Subproblem 2

x + -1.4 = -3.280243893 Simplifying x + -1.4 = -3.280243893 Reorder the terms: -1.4 + x = -3.280243893 Solving -1.4 + x = -3.280243893 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '1.4' to each side of the equation. -1.4 + 1.4 + x = -3.280243893 + 1.4 Combine like terms: -1.4 + 1.4 = 0.0 0.0 + x = -3.280243893 + 1.4 x = -3.280243893 + 1.4 Combine like terms: -3.280243893 + 1.4 = -1.880243893 x = -1.880243893 Simplifying x = -1.880243893

Solution

The solution to the problem is based on the solutions from the subproblems. x = {4.680243893, -1.880243893}

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