19x^2-14x-148.25=0

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Solution for 19x^2-14x-148.25=0 equation:


Simplifying
19x2 + -14x + -148.25 = 0

Reorder the terms:
-148.25 + -14x + 19x2 = 0

Solving
-148.25 + -14x + 19x2 = 0

Solving for variable 'x'.

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

Divide each side by '19'.
-7.802631579 + -0.7368421053x + x2 = 0

Move the constant term to the right:

Add '7.802631579' to each side of the equation.
-7.802631579 + -0.7368421053x + 7.802631579 + x2 = 0 + 7.802631579

Reorder the terms:
-7.802631579 + 7.802631579 + -0.7368421053x + x2 = 0 + 7.802631579

Combine like terms: -7.802631579 + 7.802631579 = 0.000000000
0.000000000 + -0.7368421053x + x2 = 0 + 7.802631579
-0.7368421053x + x2 = 0 + 7.802631579

Combine like terms: 0 + 7.802631579 = 7.802631579
-0.7368421053x + x2 = 7.802631579

The x term is -0.7368421053x.  Take half its coefficient (-0.3684210527).
Square it (0.1357340721) and add it to both sides.

Add '0.1357340721' to each side of the equation.
-0.7368421053x + 0.1357340721 + x2 = 7.802631579 + 0.1357340721

Reorder the terms:
0.1357340721 + -0.7368421053x + x2 = 7.802631579 + 0.1357340721

Combine like terms: 7.802631579 + 0.1357340721 = 7.9383656511
0.1357340721 + -0.7368421053x + x2 = 7.9383656511

Factor a perfect square on the left side:
(x + -0.3684210527)(x + -0.3684210527) = 7.9383656511

Calculate the square root of the right side: 2.817510541

Break this problem into two subproblems by setting 
(x + -0.3684210527) equal to 2.817510541 and -2.817510541.

Subproblem 1

x + -0.3684210527 = 2.817510541 Simplifying x + -0.3684210527 = 2.817510541 Reorder the terms: -0.3684210527 + x = 2.817510541 Solving -0.3684210527 + x = 2.817510541 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.3684210527' to each side of the equation. -0.3684210527 + 0.3684210527 + x = 2.817510541 + 0.3684210527 Combine like terms: -0.3684210527 + 0.3684210527 = 0.0000000000 0.0000000000 + x = 2.817510541 + 0.3684210527 x = 2.817510541 + 0.3684210527 Combine like terms: 2.817510541 + 0.3684210527 = 3.1859315937 x = 3.1859315937 Simplifying x = 3.1859315937

Subproblem 2

x + -0.3684210527 = -2.817510541 Simplifying x + -0.3684210527 = -2.817510541 Reorder the terms: -0.3684210527 + x = -2.817510541 Solving -0.3684210527 + x = -2.817510541 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.3684210527' to each side of the equation. -0.3684210527 + 0.3684210527 + x = -2.817510541 + 0.3684210527 Combine like terms: -0.3684210527 + 0.3684210527 = 0.0000000000 0.0000000000 + x = -2.817510541 + 0.3684210527 x = -2.817510541 + 0.3684210527 Combine like terms: -2.817510541 + 0.3684210527 = -2.4490894883 x = -2.4490894883 Simplifying x = -2.4490894883

Solution

The solution to the problem is based on the solutions from the subproblems. x = {3.1859315937, -2.4490894883}

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