(x-6)(x-3)=24

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Solution for (x-6)(x-3)=24 equation:


Simplifying
(x + -6)(x + -3) = 24

Reorder the terms:
(-6 + x)(x + -3) = 24

Reorder the terms:
(-6 + x)(-3 + x) = 24

Multiply (-6 + x) * (-3 + x)
(-6(-3 + x) + x(-3 + x)) = 24
((-3 * -6 + x * -6) + x(-3 + x)) = 24
((18 + -6x) + x(-3 + x)) = 24
(18 + -6x + (-3 * x + x * x)) = 24
(18 + -6x + (-3x + x2)) = 24

Combine like terms: -6x + -3x = -9x
(18 + -9x + x2) = 24

Solving
18 + -9x + x2 = 24

Solving for variable 'x'.

Reorder the terms:
18 + -24 + -9x + x2 = 24 + -24

Combine like terms: 18 + -24 = -6
-6 + -9x + x2 = 24 + -24

Combine like terms: 24 + -24 = 0
-6 + -9x + x2 = 0

Begin completing the square.

Move the constant term to the right:

Add '6' to each side of the equation.
-6 + -9x + 6 + x2 = 0 + 6

Reorder the terms:
-6 + 6 + -9x + x2 = 0 + 6

Combine like terms: -6 + 6 = 0
0 + -9x + x2 = 0 + 6
-9x + x2 = 0 + 6

Combine like terms: 0 + 6 = 6
-9x + x2 = 6

The x term is -9x.  Take half its coefficient (-4.5).
Square it (20.25) and add it to both sides.

Add '20.25' to each side of the equation.
-9x + 20.25 + x2 = 6 + 20.25

Reorder the terms:
20.25 + -9x + x2 = 6 + 20.25

Combine like terms: 6 + 20.25 = 26.25
20.25 + -9x + x2 = 26.25

Factor a perfect square on the left side:
(x + -4.5)(x + -4.5) = 26.25

Calculate the square root of the right side: 5.123475383

Break this problem into two subproblems by setting 
(x + -4.5) equal to 5.123475383 and -5.123475383.

Subproblem 1

x + -4.5 = 5.123475383 Simplifying x + -4.5 = 5.123475383 Reorder the terms: -4.5 + x = 5.123475383 Solving -4.5 + x = 5.123475383 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '4.5' to each side of the equation. -4.5 + 4.5 + x = 5.123475383 + 4.5 Combine like terms: -4.5 + 4.5 = 0.0 0.0 + x = 5.123475383 + 4.5 x = 5.123475383 + 4.5 Combine like terms: 5.123475383 + 4.5 = 9.623475383 x = 9.623475383 Simplifying x = 9.623475383

Subproblem 2

x + -4.5 = -5.123475383 Simplifying x + -4.5 = -5.123475383 Reorder the terms: -4.5 + x = -5.123475383 Solving -4.5 + x = -5.123475383 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '4.5' to each side of the equation. -4.5 + 4.5 + x = -5.123475383 + 4.5 Combine like terms: -4.5 + 4.5 = 0.0 0.0 + x = -5.123475383 + 4.5 x = -5.123475383 + 4.5 Combine like terms: -5.123475383 + 4.5 = -0.623475383 x = -0.623475383 Simplifying x = -0.623475383

Solution

The solution to the problem is based on the solutions from the subproblems. x = {9.623475383, -0.623475383}

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