(x-2)(x-3)=9x+11

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Solution for (x-2)(x-3)=9x+11 equation:


Simplifying
(x + -2)(x + -3) = 9x + 11

Reorder the terms:
(-2 + x)(x + -3) = 9x + 11

Reorder the terms:
(-2 + x)(-3 + x) = 9x + 11

Multiply (-2 + x) * (-3 + x)
(-2(-3 + x) + x(-3 + x)) = 9x + 11
((-3 * -2 + x * -2) + x(-3 + x)) = 9x + 11
((6 + -2x) + x(-3 + x)) = 9x + 11
(6 + -2x + (-3 * x + x * x)) = 9x + 11
(6 + -2x + (-3x + x2)) = 9x + 11

Combine like terms: -2x + -3x = -5x
(6 + -5x + x2) = 9x + 11

Reorder the terms:
6 + -5x + x2 = 11 + 9x

Solving
6 + -5x + x2 = 11 + 9x

Solving for variable 'x'.

Reorder the terms:
6 + -11 + -5x + -9x + x2 = 11 + 9x + -11 + -9x

Combine like terms: 6 + -11 = -5
-5 + -5x + -9x + x2 = 11 + 9x + -11 + -9x

Combine like terms: -5x + -9x = -14x
-5 + -14x + x2 = 11 + 9x + -11 + -9x

Reorder the terms:
-5 + -14x + x2 = 11 + -11 + 9x + -9x

Combine like terms: 11 + -11 = 0
-5 + -14x + x2 = 0 + 9x + -9x
-5 + -14x + x2 = 9x + -9x

Combine like terms: 9x + -9x = 0
-5 + -14x + x2 = 0

Begin completing the square.

Move the constant term to the right:

Add '5' to each side of the equation.
-5 + -14x + 5 + x2 = 0 + 5

Reorder the terms:
-5 + 5 + -14x + x2 = 0 + 5

Combine like terms: -5 + 5 = 0
0 + -14x + x2 = 0 + 5
-14x + x2 = 0 + 5

Combine like terms: 0 + 5 = 5
-14x + x2 = 5

The x term is -14x.  Take half its coefficient (-7).
Square it (49) and add it to both sides.

Add '49' to each side of the equation.
-14x + 49 + x2 = 5 + 49

Reorder the terms:
49 + -14x + x2 = 5 + 49

Combine like terms: 5 + 49 = 54
49 + -14x + x2 = 54

Factor a perfect square on the left side:
(x + -7)(x + -7) = 54

Calculate the square root of the right side: 7.348469228

Break this problem into two subproblems by setting 
(x + -7) equal to 7.348469228 and -7.348469228.

Subproblem 1

x + -7 = 7.348469228 Simplifying x + -7 = 7.348469228 Reorder the terms: -7 + x = 7.348469228 Solving -7 + x = 7.348469228 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '7' to each side of the equation. -7 + 7 + x = 7.348469228 + 7 Combine like terms: -7 + 7 = 0 0 + x = 7.348469228 + 7 x = 7.348469228 + 7 Combine like terms: 7.348469228 + 7 = 14.348469228 x = 14.348469228 Simplifying x = 14.348469228

Subproblem 2

x + -7 = -7.348469228 Simplifying x + -7 = -7.348469228 Reorder the terms: -7 + x = -7.348469228 Solving -7 + x = -7.348469228 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '7' to each side of the equation. -7 + 7 + x = -7.348469228 + 7 Combine like terms: -7 + 7 = 0 0 + x = -7.348469228 + 7 x = -7.348469228 + 7 Combine like terms: -7.348469228 + 7 = -0.348469228 x = -0.348469228 Simplifying x = -0.348469228

Solution

The solution to the problem is based on the solutions from the subproblems. x = {14.348469228, -0.348469228}

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