5x^2+33x-19=0

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Solution for 5x^2+33x-19=0 equation:


Simplifying
5x2 + 33x + -19 = 0

Reorder the terms:
-19 + 33x + 5x2 = 0

Solving
-19 + 33x + 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'.
-3.8 + 6.6x + x2 = 0

Move the constant term to the right:

Add '3.8' to each side of the equation.
-3.8 + 6.6x + 3.8 + x2 = 0 + 3.8

Reorder the terms:
-3.8 + 3.8 + 6.6x + x2 = 0 + 3.8

Combine like terms: -3.8 + 3.8 = 0.0
0.0 + 6.6x + x2 = 0 + 3.8
6.6x + x2 = 0 + 3.8

Combine like terms: 0 + 3.8 = 3.8
6.6x + x2 = 3.8

The x term is 6.6x.  Take half its coefficient (3.3).
Square it (10.89) and add it to both sides.

Add '10.89' to each side of the equation.
6.6x + 10.89 + x2 = 3.8 + 10.89

Reorder the terms:
10.89 + 6.6x + x2 = 3.8 + 10.89

Combine like terms: 3.8 + 10.89 = 14.69
10.89 + 6.6x + x2 = 14.69

Factor a perfect square on the left side:
(x + 3.3)(x + 3.3) = 14.69

Calculate the square root of the right side: 3.832753579

Break this problem into two subproblems by setting 
(x + 3.3) equal to 3.832753579 and -3.832753579.

Subproblem 1

x + 3.3 = 3.832753579 Simplifying x + 3.3 = 3.832753579 Reorder the terms: 3.3 + x = 3.832753579 Solving 3.3 + x = 3.832753579 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-3.3' to each side of the equation. 3.3 + -3.3 + x = 3.832753579 + -3.3 Combine like terms: 3.3 + -3.3 = 0.0 0.0 + x = 3.832753579 + -3.3 x = 3.832753579 + -3.3 Combine like terms: 3.832753579 + -3.3 = 0.532753579 x = 0.532753579 Simplifying x = 0.532753579

Subproblem 2

x + 3.3 = -3.832753579 Simplifying x + 3.3 = -3.832753579 Reorder the terms: 3.3 + x = -3.832753579 Solving 3.3 + x = -3.832753579 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-3.3' to each side of the equation. 3.3 + -3.3 + x = -3.832753579 + -3.3 Combine like terms: 3.3 + -3.3 = 0.0 0.0 + x = -3.832753579 + -3.3 x = -3.832753579 + -3.3 Combine like terms: -3.832753579 + -3.3 = -7.132753579 x = -7.132753579 Simplifying x = -7.132753579

Solution

The solution to the problem is based on the solutions from the subproblems. x = {0.532753579, -7.132753579}

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