5x^2+24=30x

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Solution for 5x^2+24=30x equation:


Simplifying
5x2 + 24 = 30x

Reorder the terms:
24 + 5x2 = 30x

Solving
24 + 5x2 = 30x

Solving for variable 'x'.

Reorder the terms:
24 + -30x + 5x2 = 30x + -30x

Combine like terms: 30x + -30x = 0
24 + -30x + 5x2 = 0

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

Divide each side by '5'.
4.8 + -6x + x2 = 0

Move the constant term to the right:

Add '-4.8' to each side of the equation.
4.8 + -6x + -4.8 + x2 = 0 + -4.8

Reorder the terms:
4.8 + -4.8 + -6x + x2 = 0 + -4.8

Combine like terms: 4.8 + -4.8 = 0.0
0.0 + -6x + x2 = 0 + -4.8
-6x + x2 = 0 + -4.8

Combine like terms: 0 + -4.8 = -4.8
-6x + x2 = -4.8

The x term is -6x.  Take half its coefficient (-3).
Square it (9) and add it to both sides.

Add '9' to each side of the equation.
-6x + 9 + x2 = -4.8 + 9

Reorder the terms:
9 + -6x + x2 = -4.8 + 9

Combine like terms: -4.8 + 9 = 4.2
9 + -6x + x2 = 4.2

Factor a perfect square on the left side:
(x + -3)(x + -3) = 4.2

Calculate the square root of the right side: 2.049390153

Break this problem into two subproblems by setting 
(x + -3) equal to 2.049390153 and -2.049390153.

Subproblem 1

x + -3 = 2.049390153 Simplifying x + -3 = 2.049390153 Reorder the terms: -3 + x = 2.049390153 Solving -3 + x = 2.049390153 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '3' to each side of the equation. -3 + 3 + x = 2.049390153 + 3 Combine like terms: -3 + 3 = 0 0 + x = 2.049390153 + 3 x = 2.049390153 + 3 Combine like terms: 2.049390153 + 3 = 5.049390153 x = 5.049390153 Simplifying x = 5.049390153

Subproblem 2

x + -3 = -2.049390153 Simplifying x + -3 = -2.049390153 Reorder the terms: -3 + x = -2.049390153 Solving -3 + x = -2.049390153 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '3' to each side of the equation. -3 + 3 + x = -2.049390153 + 3 Combine like terms: -3 + 3 = 0 0 + x = -2.049390153 + 3 x = -2.049390153 + 3 Combine like terms: -2.049390153 + 3 = 0.950609847 x = 0.950609847 Simplifying x = 0.950609847

Solution

The solution to the problem is based on the solutions from the subproblems. x = {5.049390153, 0.950609847}

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