x^2-18x+24=0

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Solution for x^2-18x+24=0 equation:


Simplifying
x2 + -18x + 24 = 0

Reorder the terms:
24 + -18x + x2 = 0

Solving
24 + -18x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '-24' to each side of the equation.
24 + -18x + -24 + x2 = 0 + -24

Reorder the terms:
24 + -24 + -18x + x2 = 0 + -24

Combine like terms: 24 + -24 = 0
0 + -18x + x2 = 0 + -24
-18x + x2 = 0 + -24

Combine like terms: 0 + -24 = -24
-18x + x2 = -24

The x term is -18x.  Take half its coefficient (-9).
Square it (81) and add it to both sides.

Add '81' to each side of the equation.
-18x + 81 + x2 = -24 + 81

Reorder the terms:
81 + -18x + x2 = -24 + 81

Combine like terms: -24 + 81 = 57
81 + -18x + x2 = 57

Factor a perfect square on the left side:
(x + -9)(x + -9) = 57

Calculate the square root of the right side: 7.549834435

Break this problem into two subproblems by setting 
(x + -9) equal to 7.549834435 and -7.549834435.

Subproblem 1

x + -9 = 7.549834435 Simplifying x + -9 = 7.549834435 Reorder the terms: -9 + x = 7.549834435 Solving -9 + x = 7.549834435 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '9' to each side of the equation. -9 + 9 + x = 7.549834435 + 9 Combine like terms: -9 + 9 = 0 0 + x = 7.549834435 + 9 x = 7.549834435 + 9 Combine like terms: 7.549834435 + 9 = 16.549834435 x = 16.549834435 Simplifying x = 16.549834435

Subproblem 2

x + -9 = -7.549834435 Simplifying x + -9 = -7.549834435 Reorder the terms: -9 + x = -7.549834435 Solving -9 + x = -7.549834435 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '9' to each side of the equation. -9 + 9 + x = -7.549834435 + 9 Combine like terms: -9 + 9 = 0 0 + x = -7.549834435 + 9 x = -7.549834435 + 9 Combine like terms: -7.549834435 + 9 = 1.450165565 x = 1.450165565 Simplifying x = 1.450165565

Solution

The solution to the problem is based on the solutions from the subproblems. x = {16.549834435, 1.450165565}

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