x^2-6x+9=2x-4

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Solution for x^2-6x+9=2x-4 equation:


Simplifying
x2 + -6x + 9 = 2x + -4

Reorder the terms:
9 + -6x + x2 = 2x + -4

Reorder the terms:
9 + -6x + x2 = -4 + 2x

Solving
9 + -6x + x2 = -4 + 2x

Solving for variable 'x'.

Reorder the terms:
9 + 4 + -6x + -2x + x2 = -4 + 2x + 4 + -2x

Combine like terms: 9 + 4 = 13
13 + -6x + -2x + x2 = -4 + 2x + 4 + -2x

Combine like terms: -6x + -2x = -8x
13 + -8x + x2 = -4 + 2x + 4 + -2x

Reorder the terms:
13 + -8x + x2 = -4 + 4 + 2x + -2x

Combine like terms: -4 + 4 = 0
13 + -8x + x2 = 0 + 2x + -2x
13 + -8x + x2 = 2x + -2x

Combine like terms: 2x + -2x = 0
13 + -8x + x2 = 0

Begin completing the square.

Move the constant term to the right:

Add '-13' to each side of the equation.
13 + -8x + -13 + x2 = 0 + -13

Reorder the terms:
13 + -13 + -8x + x2 = 0 + -13

Combine like terms: 13 + -13 = 0
0 + -8x + x2 = 0 + -13
-8x + x2 = 0 + -13

Combine like terms: 0 + -13 = -13
-8x + x2 = -13

The x term is -8x.  Take half its coefficient (-4).
Square it (16) and add it to both sides.

Add '16' to each side of the equation.
-8x + 16 + x2 = -13 + 16

Reorder the terms:
16 + -8x + x2 = -13 + 16

Combine like terms: -13 + 16 = 3
16 + -8x + x2 = 3

Factor a perfect square on the left side:
(x + -4)(x + -4) = 3

Calculate the square root of the right side: 1.732050808

Break this problem into two subproblems by setting 
(x + -4) equal to 1.732050808 and -1.732050808.

Subproblem 1

x + -4 = 1.732050808 Simplifying x + -4 = 1.732050808 Reorder the terms: -4 + x = 1.732050808 Solving -4 + x = 1.732050808 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '4' to each side of the equation. -4 + 4 + x = 1.732050808 + 4 Combine like terms: -4 + 4 = 0 0 + x = 1.732050808 + 4 x = 1.732050808 + 4 Combine like terms: 1.732050808 + 4 = 5.732050808 x = 5.732050808 Simplifying x = 5.732050808

Subproblem 2

x + -4 = -1.732050808 Simplifying x + -4 = -1.732050808 Reorder the terms: -4 + x = -1.732050808 Solving -4 + x = -1.732050808 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '4' to each side of the equation. -4 + 4 + x = -1.732050808 + 4 Combine like terms: -4 + 4 = 0 0 + x = -1.732050808 + 4 x = -1.732050808 + 4 Combine like terms: -1.732050808 + 4 = 2.267949192 x = 2.267949192 Simplifying x = 2.267949192

Solution

The solution to the problem is based on the solutions from the subproblems. x = {5.732050808, 2.267949192}

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