6x^2+10x-33=0

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Solution for 6x^2+10x-33=0 equation:


Simplifying
6x2 + 10x + -33 = 0

Reorder the terms:
-33 + 10x + 6x2 = 0

Solving
-33 + 10x + 6x2 = 0

Solving for variable 'x'.

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

Divide each side by '6'.
-5.5 + 1.666666667x + x2 = 0

Move the constant term to the right:

Add '5.5' to each side of the equation.
-5.5 + 1.666666667x + 5.5 + x2 = 0 + 5.5

Reorder the terms:
-5.5 + 5.5 + 1.666666667x + x2 = 0 + 5.5

Combine like terms: -5.5 + 5.5 = 0.0
0.0 + 1.666666667x + x2 = 0 + 5.5
1.666666667x + x2 = 0 + 5.5

Combine like terms: 0 + 5.5 = 5.5
1.666666667x + x2 = 5.5

The x term is 1.666666667x.  Take half its coefficient (0.8333333335).
Square it (0.6944444447) and add it to both sides.

Add '0.6944444447' to each side of the equation.
1.666666667x + 0.6944444447 + x2 = 5.5 + 0.6944444447

Reorder the terms:
0.6944444447 + 1.666666667x + x2 = 5.5 + 0.6944444447

Combine like terms: 5.5 + 0.6944444447 = 6.1944444447
0.6944444447 + 1.666666667x + x2 = 6.1944444447

Factor a perfect square on the left side:
(x + 0.8333333335)(x + 0.8333333335) = 6.1944444447

Calculate the square root of the right side: 2.488864087

Break this problem into two subproblems by setting 
(x + 0.8333333335) equal to 2.488864087 and -2.488864087.

Subproblem 1

x + 0.8333333335 = 2.488864087 Simplifying x + 0.8333333335 = 2.488864087 Reorder the terms: 0.8333333335 + x = 2.488864087 Solving 0.8333333335 + x = 2.488864087 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.8333333335' to each side of the equation. 0.8333333335 + -0.8333333335 + x = 2.488864087 + -0.8333333335 Combine like terms: 0.8333333335 + -0.8333333335 = 0.0000000000 0.0000000000 + x = 2.488864087 + -0.8333333335 x = 2.488864087 + -0.8333333335 Combine like terms: 2.488864087 + -0.8333333335 = 1.6555307535 x = 1.6555307535 Simplifying x = 1.6555307535

Subproblem 2

x + 0.8333333335 = -2.488864087 Simplifying x + 0.8333333335 = -2.488864087 Reorder the terms: 0.8333333335 + x = -2.488864087 Solving 0.8333333335 + x = -2.488864087 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.8333333335' to each side of the equation. 0.8333333335 + -0.8333333335 + x = -2.488864087 + -0.8333333335 Combine like terms: 0.8333333335 + -0.8333333335 = 0.0000000000 0.0000000000 + x = -2.488864087 + -0.8333333335 x = -2.488864087 + -0.8333333335 Combine like terms: -2.488864087 + -0.8333333335 = -3.3221974205 x = -3.3221974205 Simplifying x = -3.3221974205

Solution

The solution to the problem is based on the solutions from the subproblems. x = {1.6555307535, -3.3221974205}

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