2x^2+45=24x

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Solution for 2x^2+45=24x equation:


Simplifying
2x2 + 45 = 24x

Reorder the terms:
45 + 2x2 = 24x

Solving
45 + 2x2 = 24x

Solving for variable 'x'.

Reorder the terms:
45 + -24x + 2x2 = 24x + -24x

Combine like terms: 24x + -24x = 0
45 + -24x + 2x2 = 0

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

Divide each side by '2'.
22.5 + -12x + x2 = 0

Move the constant term to the right:

Add '-22.5' to each side of the equation.
22.5 + -12x + -22.5 + x2 = 0 + -22.5

Reorder the terms:
22.5 + -22.5 + -12x + x2 = 0 + -22.5

Combine like terms: 22.5 + -22.5 = 0.0
0.0 + -12x + x2 = 0 + -22.5
-12x + x2 = 0 + -22.5

Combine like terms: 0 + -22.5 = -22.5
-12x + x2 = -22.5

The x term is -12x.  Take half its coefficient (-6).
Square it (36) and add it to both sides.

Add '36' to each side of the equation.
-12x + 36 + x2 = -22.5 + 36

Reorder the terms:
36 + -12x + x2 = -22.5 + 36

Combine like terms: -22.5 + 36 = 13.5
36 + -12x + x2 = 13.5

Factor a perfect square on the left side:
(x + -6)(x + -6) = 13.5

Calculate the square root of the right side: 3.674234614

Break this problem into two subproblems by setting 
(x + -6) equal to 3.674234614 and -3.674234614.

Subproblem 1

x + -6 = 3.674234614 Simplifying x + -6 = 3.674234614 Reorder the terms: -6 + x = 3.674234614 Solving -6 + x = 3.674234614 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '6' to each side of the equation. -6 + 6 + x = 3.674234614 + 6 Combine like terms: -6 + 6 = 0 0 + x = 3.674234614 + 6 x = 3.674234614 + 6 Combine like terms: 3.674234614 + 6 = 9.674234614 x = 9.674234614 Simplifying x = 9.674234614

Subproblem 2

x + -6 = -3.674234614 Simplifying x + -6 = -3.674234614 Reorder the terms: -6 + x = -3.674234614 Solving -6 + x = -3.674234614 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '6' to each side of the equation. -6 + 6 + x = -3.674234614 + 6 Combine like terms: -6 + 6 = 0 0 + x = -3.674234614 + 6 x = -3.674234614 + 6 Combine like terms: -3.674234614 + 6 = 2.325765386 x = 2.325765386 Simplifying x = 2.325765386

Solution

The solution to the problem is based on the solutions from the subproblems. x = {9.674234614, 2.325765386}

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