24=(3x-2)(x+3)

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Solution for 24=(3x-2)(x+3) equation:


Simplifying
24 = (3x + -2)(x + 3)

Reorder the terms:
24 = (-2 + 3x)(x + 3)

Reorder the terms:
24 = (-2 + 3x)(3 + x)

Multiply (-2 + 3x) * (3 + x)
24 = (-2(3 + x) + 3x * (3 + x))
24 = ((3 * -2 + x * -2) + 3x * (3 + x))
24 = ((-6 + -2x) + 3x * (3 + x))
24 = (-6 + -2x + (3 * 3x + x * 3x))
24 = (-6 + -2x + (9x + 3x2))

Combine like terms: -2x + 9x = 7x
24 = (-6 + 7x + 3x2)

Solving
24 = -6 + 7x + 3x2

Solving for variable 'x'.

Combine like terms: 24 + 6 = 30
30 + -7x + -3x2 = -6 + 7x + 3x2 + 6 + -7x + -3x2

Reorder the terms:
30 + -7x + -3x2 = -6 + 6 + 7x + -7x + 3x2 + -3x2

Combine like terms: -6 + 6 = 0
30 + -7x + -3x2 = 0 + 7x + -7x + 3x2 + -3x2
30 + -7x + -3x2 = 7x + -7x + 3x2 + -3x2

Combine like terms: 7x + -7x = 0
30 + -7x + -3x2 = 0 + 3x2 + -3x2
30 + -7x + -3x2 = 3x2 + -3x2

Combine like terms: 3x2 + -3x2 = 0
30 + -7x + -3x2 = 0

Begin completing the square.  Divide all terms by
-3 the coefficient of the squared term: 

Divide each side by '-3'.
-10 + 2.333333333x + x2 = 0

Move the constant term to the right:

Add '10' to each side of the equation.
-10 + 2.333333333x + 10 + x2 = 0 + 10

Reorder the terms:
-10 + 10 + 2.333333333x + x2 = 0 + 10

Combine like terms: -10 + 10 = 0
0 + 2.333333333x + x2 = 0 + 10
2.333333333x + x2 = 0 + 10

Combine like terms: 0 + 10 = 10
2.333333333x + x2 = 10

The x term is 2.333333333x.  Take half its coefficient (1.166666667).
Square it (1.361111112) and add it to both sides.

Add '1.361111112' to each side of the equation.
2.333333333x + 1.361111112 + x2 = 10 + 1.361111112

Reorder the terms:
1.361111112 + 2.333333333x + x2 = 10 + 1.361111112

Combine like terms: 10 + 1.361111112 = 11.361111112
1.361111112 + 2.333333333x + x2 = 11.361111112

Factor a perfect square on the left side:
(x + 1.166666667)(x + 1.166666667) = 11.361111112

Calculate the square root of the right side: 3.370624736

Break this problem into two subproblems by setting 
(x + 1.166666667) equal to 3.370624736 and -3.370624736.

Subproblem 1

x + 1.166666667 = 3.370624736 Simplifying x + 1.166666667 = 3.370624736 Reorder the terms: 1.166666667 + x = 3.370624736 Solving 1.166666667 + x = 3.370624736 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-1.166666667' to each side of the equation. 1.166666667 + -1.166666667 + x = 3.370624736 + -1.166666667 Combine like terms: 1.166666667 + -1.166666667 = 0.000000000 0.000000000 + x = 3.370624736 + -1.166666667 x = 3.370624736 + -1.166666667 Combine like terms: 3.370624736 + -1.166666667 = 2.203958069 x = 2.203958069 Simplifying x = 2.203958069

Subproblem 2

x + 1.166666667 = -3.370624736 Simplifying x + 1.166666667 = -3.370624736 Reorder the terms: 1.166666667 + x = -3.370624736 Solving 1.166666667 + x = -3.370624736 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-1.166666667' to each side of the equation. 1.166666667 + -1.166666667 + x = -3.370624736 + -1.166666667 Combine like terms: 1.166666667 + -1.166666667 = 0.000000000 0.000000000 + x = -3.370624736 + -1.166666667 x = -3.370624736 + -1.166666667 Combine like terms: -3.370624736 + -1.166666667 = -4.537291403 x = -4.537291403 Simplifying x = -4.537291403

Solution

The solution to the problem is based on the solutions from the subproblems. x = {2.203958069, -4.537291403}

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