2x^2=29.5-14.5x

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Solution for 2x^2=29.5-14.5x equation:


Simplifying
2x2 = 29.5 + -14.5x

Solving
2x2 = 29.5 + -14.5x

Solving for variable 'x'.

Reorder the terms:
-29.5 + 14.5x + 2x2 = 29.5 + -14.5x + -29.5 + 14.5x

Reorder the terms:
-29.5 + 14.5x + 2x2 = 29.5 + -29.5 + -14.5x + 14.5x

Combine like terms: 29.5 + -29.5 = 0.0
-29.5 + 14.5x + 2x2 = 0.0 + -14.5x + 14.5x
-29.5 + 14.5x + 2x2 = -14.5x + 14.5x

Combine like terms: -14.5x + 14.5x = 0.0
-29.5 + 14.5x + 2x2 = 0.0

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

Divide each side by '2'.
-14.75 + 7.25x + x2 = 0.0

Move the constant term to the right:

Add '14.75' to each side of the equation.
-14.75 + 7.25x + 14.75 + x2 = 0.0 + 14.75

Reorder the terms:
-14.75 + 14.75 + 7.25x + x2 = 0.0 + 14.75

Combine like terms: -14.75 + 14.75 = 0.00
0.00 + 7.25x + x2 = 0.0 + 14.75
7.25x + x2 = 0.0 + 14.75

Combine like terms: 0.0 + 14.75 = 14.75
7.25x + x2 = 14.75

The x term is 7.25x.  Take half its coefficient (3.625).
Square it (13.140625) and add it to both sides.

Add '13.140625' to each side of the equation.
7.25x + 13.140625 + x2 = 14.75 + 13.140625

Reorder the terms:
13.140625 + 7.25x + x2 = 14.75 + 13.140625

Combine like terms: 14.75 + 13.140625 = 27.890625
13.140625 + 7.25x + x2 = 27.890625

Factor a perfect square on the left side:
(x + 3.625)(x + 3.625) = 27.890625

Calculate the square root of the right side: 5.281157544

Break this problem into two subproblems by setting 
(x + 3.625) equal to 5.281157544 and -5.281157544.

Subproblem 1

x + 3.625 = 5.281157544 Simplifying x + 3.625 = 5.281157544 Reorder the terms: 3.625 + x = 5.281157544 Solving 3.625 + x = 5.281157544 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-3.625' to each side of the equation. 3.625 + -3.625 + x = 5.281157544 + -3.625 Combine like terms: 3.625 + -3.625 = 0.000 0.000 + x = 5.281157544 + -3.625 x = 5.281157544 + -3.625 Combine like terms: 5.281157544 + -3.625 = 1.656157544 x = 1.656157544 Simplifying x = 1.656157544

Subproblem 2

x + 3.625 = -5.281157544 Simplifying x + 3.625 = -5.281157544 Reorder the terms: 3.625 + x = -5.281157544 Solving 3.625 + x = -5.281157544 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-3.625' to each side of the equation. 3.625 + -3.625 + x = -5.281157544 + -3.625 Combine like terms: 3.625 + -3.625 = 0.000 0.000 + x = -5.281157544 + -3.625 x = -5.281157544 + -3.625 Combine like terms: -5.281157544 + -3.625 = -8.906157544 x = -8.906157544 Simplifying x = -8.906157544

Solution

The solution to the problem is based on the solutions from the subproblems. x = {1.656157544, -8.906157544}

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