10x^2+19x-11=5.333

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Solution for 10x^2+19x-11=5.333 equation:


Simplifying
10x2 + 19x + -11 = 5.333

Reorder the terms:
-11 + 19x + 10x2 = 5.333

Solving
-11 + 19x + 10x2 = 5.333

Solving for variable 'x'.

Reorder the terms:
-11 + -5.333 + 19x + 10x2 = 5.333 + -5.333

Combine like terms: -11 + -5.333 = -16.333
-16.333 + 19x + 10x2 = 5.333 + -5.333

Combine like terms: 5.333 + -5.333 = 0.000
-16.333 + 19x + 10x2 = 0.000

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

Divide each side by '10'.
-1.6333 + 1.9x + x2 = 0.000

Move the constant term to the right:

Add '1.6333' to each side of the equation.
-1.6333 + 1.9x + 1.6333 + x2 = 0.000 + 1.6333

Reorder the terms:
-1.6333 + 1.6333 + 1.9x + x2 = 0.000 + 1.6333

Combine like terms: -1.6333 + 1.6333 = 0.0000
0.0000 + 1.9x + x2 = 0.000 + 1.6333
1.9x + x2 = 0.000 + 1.6333

Combine like terms: 0.000 + 1.6333 = 1.6333
1.9x + x2 = 1.6333

The x term is 1.9x.  Take half its coefficient (0.95).
Square it (0.9025) and add it to both sides.

Add '0.9025' to each side of the equation.
1.9x + 0.9025 + x2 = 1.6333 + 0.9025

Reorder the terms:
0.9025 + 1.9x + x2 = 1.6333 + 0.9025

Combine like terms: 1.6333 + 0.9025 = 2.5358
0.9025 + 1.9x + x2 = 2.5358

Factor a perfect square on the left side:
(x + 0.95)(x + 0.95) = 2.5358

Calculate the square root of the right side: 1.592419543

Break this problem into two subproblems by setting 
(x + 0.95) equal to 1.592419543 and -1.592419543.

Subproblem 1

x + 0.95 = 1.592419543 Simplifying x + 0.95 = 1.592419543 Reorder the terms: 0.95 + x = 1.592419543 Solving 0.95 + x = 1.592419543 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.95' to each side of the equation. 0.95 + -0.95 + x = 1.592419543 + -0.95 Combine like terms: 0.95 + -0.95 = 0.00 0.00 + x = 1.592419543 + -0.95 x = 1.592419543 + -0.95 Combine like terms: 1.592419543 + -0.95 = 0.642419543 x = 0.642419543 Simplifying x = 0.642419543

Subproblem 2

x + 0.95 = -1.592419543 Simplifying x + 0.95 = -1.592419543 Reorder the terms: 0.95 + x = -1.592419543 Solving 0.95 + x = -1.592419543 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.95' to each side of the equation. 0.95 + -0.95 + x = -1.592419543 + -0.95 Combine like terms: 0.95 + -0.95 = 0.00 0.00 + x = -1.592419543 + -0.95 x = -1.592419543 + -0.95 Combine like terms: -1.592419543 + -0.95 = -2.542419543 x = -2.542419543 Simplifying x = -2.542419543

Solution

The solution to the problem is based on the solutions from the subproblems. x = {0.642419543, -2.542419543}

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