2x^2-14x+24=x^2-3x+9

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Solution for 2x^2-14x+24=x^2-3x+9 equation:


Simplifying
2x2 + -14x + 24 = x2 + -3x + 9

Reorder the terms:
24 + -14x + 2x2 = x2 + -3x + 9

Reorder the terms:
24 + -14x + 2x2 = 9 + -3x + x2

Solving
24 + -14x + 2x2 = 9 + -3x + x2

Solving for variable 'x'.

Reorder the terms:
24 + -9 + -14x + 3x + 2x2 + -1x2 = 9 + -3x + x2 + -9 + 3x + -1x2

Combine like terms: 24 + -9 = 15
15 + -14x + 3x + 2x2 + -1x2 = 9 + -3x + x2 + -9 + 3x + -1x2

Combine like terms: -14x + 3x = -11x
15 + -11x + 2x2 + -1x2 = 9 + -3x + x2 + -9 + 3x + -1x2

Combine like terms: 2x2 + -1x2 = 1x2
15 + -11x + 1x2 = 9 + -3x + x2 + -9 + 3x + -1x2

Reorder the terms:
15 + -11x + 1x2 = 9 + -9 + -3x + 3x + x2 + -1x2

Combine like terms: 9 + -9 = 0
15 + -11x + 1x2 = 0 + -3x + 3x + x2 + -1x2
15 + -11x + 1x2 = -3x + 3x + x2 + -1x2

Combine like terms: -3x + 3x = 0
15 + -11x + 1x2 = 0 + x2 + -1x2
15 + -11x + 1x2 = x2 + -1x2

Combine like terms: x2 + -1x2 = 0
15 + -11x + 1x2 = 0

Begin completing the square.

Move the constant term to the right:

Add '-15' to each side of the equation.
15 + -11x + -15 + x2 = 0 + -15

Reorder the terms:
15 + -15 + -11x + x2 = 0 + -15

Combine like terms: 15 + -15 = 0
0 + -11x + x2 = 0 + -15
-11x + x2 = 0 + -15

Combine like terms: 0 + -15 = -15
-11x + x2 = -15

The x term is -11x.  Take half its coefficient (-5.5).
Square it (30.25) and add it to both sides.

Add '30.25' to each side of the equation.
-11x + 30.25 + x2 = -15 + 30.25

Reorder the terms:
30.25 + -11x + x2 = -15 + 30.25

Combine like terms: -15 + 30.25 = 15.25
30.25 + -11x + x2 = 15.25

Factor a perfect square on the left side:
(x + -5.5)(x + -5.5) = 15.25

Calculate the square root of the right side: 3.905124838

Break this problem into two subproblems by setting 
(x + -5.5) equal to 3.905124838 and -3.905124838.

Subproblem 1

x + -5.5 = 3.905124838 Simplifying x + -5.5 = 3.905124838 Reorder the terms: -5.5 + x = 3.905124838 Solving -5.5 + x = 3.905124838 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '5.5' to each side of the equation. -5.5 + 5.5 + x = 3.905124838 + 5.5 Combine like terms: -5.5 + 5.5 = 0.0 0.0 + x = 3.905124838 + 5.5 x = 3.905124838 + 5.5 Combine like terms: 3.905124838 + 5.5 = 9.405124838 x = 9.405124838 Simplifying x = 9.405124838

Subproblem 2

x + -5.5 = -3.905124838 Simplifying x + -5.5 = -3.905124838 Reorder the terms: -5.5 + x = -3.905124838 Solving -5.5 + x = -3.905124838 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '5.5' to each side of the equation. -5.5 + 5.5 + x = -3.905124838 + 5.5 Combine like terms: -5.5 + 5.5 = 0.0 0.0 + x = -3.905124838 + 5.5 x = -3.905124838 + 5.5 Combine like terms: -3.905124838 + 5.5 = 1.594875162 x = 1.594875162 Simplifying x = 1.594875162

Solution

The solution to the problem is based on the solutions from the subproblems. x = {9.405124838, 1.594875162}

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