0=2x^2-29x+30

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Solution for 0=2x^2-29x+30 equation:


Simplifying
0 = 2x2 + -29x + 30

Reorder the terms:
0 = 30 + -29x + 2x2

Solving
0 = 30 + -29x + 2x2

Solving for variable 'x'.

Combine like terms: 0 + -30 = -30
-30 + 29x + -2x2 = 30 + -29x + 2x2 + -30 + 29x + -2x2

Reorder the terms:
-30 + 29x + -2x2 = 30 + -30 + -29x + 29x + 2x2 + -2x2

Combine like terms: 30 + -30 = 0
-30 + 29x + -2x2 = 0 + -29x + 29x + 2x2 + -2x2
-30 + 29x + -2x2 = -29x + 29x + 2x2 + -2x2

Combine like terms: -29x + 29x = 0
-30 + 29x + -2x2 = 0 + 2x2 + -2x2
-30 + 29x + -2x2 = 2x2 + -2x2

Combine like terms: 2x2 + -2x2 = 0
-30 + 29x + -2x2 = 0

Begin completing the square.  Divide all terms by
-2 the coefficient of the squared term: 

Divide each side by '-2'.
15 + -14.5x + x2 = 0

Move the constant term to the right:

Add '-15' to each side of the equation.
15 + -14.5x + -15 + x2 = 0 + -15

Reorder the terms:
15 + -15 + -14.5x + x2 = 0 + -15

Combine like terms: 15 + -15 = 0
0 + -14.5x + x2 = 0 + -15
-14.5x + x2 = 0 + -15

Combine like terms: 0 + -15 = -15
-14.5x + x2 = -15

The x term is -14.5x.  Take half its coefficient (-7.25).
Square it (52.5625) and add it to both sides.

Add '52.5625' to each side of the equation.
-14.5x + 52.5625 + x2 = -15 + 52.5625

Reorder the terms:
52.5625 + -14.5x + x2 = -15 + 52.5625

Combine like terms: -15 + 52.5625 = 37.5625
52.5625 + -14.5x + x2 = 37.5625

Factor a perfect square on the left side:
(x + -7.25)(x + -7.25) = 37.5625

Calculate the square root of the right side: 6.128825336

Break this problem into two subproblems by setting 
(x + -7.25) equal to 6.128825336 and -6.128825336.

Subproblem 1

x + -7.25 = 6.128825336 Simplifying x + -7.25 = 6.128825336 Reorder the terms: -7.25 + x = 6.128825336 Solving -7.25 + x = 6.128825336 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '7.25' to each side of the equation. -7.25 + 7.25 + x = 6.128825336 + 7.25 Combine like terms: -7.25 + 7.25 = 0.00 0.00 + x = 6.128825336 + 7.25 x = 6.128825336 + 7.25 Combine like terms: 6.128825336 + 7.25 = 13.378825336 x = 13.378825336 Simplifying x = 13.378825336

Subproblem 2

x + -7.25 = -6.128825336 Simplifying x + -7.25 = -6.128825336 Reorder the terms: -7.25 + x = -6.128825336 Solving -7.25 + x = -6.128825336 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '7.25' to each side of the equation. -7.25 + 7.25 + x = -6.128825336 + 7.25 Combine like terms: -7.25 + 7.25 = 0.00 0.00 + x = -6.128825336 + 7.25 x = -6.128825336 + 7.25 Combine like terms: -6.128825336 + 7.25 = 1.121174664 x = 1.121174664 Simplifying x = 1.121174664

Solution

The solution to the problem is based on the solutions from the subproblems. x = {13.378825336, 1.121174664}

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