x^2-9x-44=0

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Solution for x^2-9x-44=0 equation:


Simplifying
x2 + -9x + -44 = 0

Reorder the terms:
-44 + -9x + x2 = 0

Solving
-44 + -9x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '44' to each side of the equation.
-44 + -9x + 44 + x2 = 0 + 44

Reorder the terms:
-44 + 44 + -9x + x2 = 0 + 44

Combine like terms: -44 + 44 = 0
0 + -9x + x2 = 0 + 44
-9x + x2 = 0 + 44

Combine like terms: 0 + 44 = 44
-9x + x2 = 44

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 = 44 + 20.25

Reorder the terms:
20.25 + -9x + x2 = 44 + 20.25

Combine like terms: 44 + 20.25 = 64.25
20.25 + -9x + x2 = 64.25

Factor a perfect square on the left side:
(x + -4.5)(x + -4.5) = 64.25

Calculate the square root of the right side: 8.015609771

Break this problem into two subproblems by setting 
(x + -4.5) equal to 8.015609771 and -8.015609771.

Subproblem 1

x + -4.5 = 8.015609771 Simplifying x + -4.5 = 8.015609771 Reorder the terms: -4.5 + x = 8.015609771 Solving -4.5 + x = 8.015609771 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 = 8.015609771 + 4.5 Combine like terms: -4.5 + 4.5 = 0.0 0.0 + x = 8.015609771 + 4.5 x = 8.015609771 + 4.5 Combine like terms: 8.015609771 + 4.5 = 12.515609771 x = 12.515609771 Simplifying x = 12.515609771

Subproblem 2

x + -4.5 = -8.015609771 Simplifying x + -4.5 = -8.015609771 Reorder the terms: -4.5 + x = -8.015609771 Solving -4.5 + x = -8.015609771 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 = -8.015609771 + 4.5 Combine like terms: -4.5 + 4.5 = 0.0 0.0 + x = -8.015609771 + 4.5 x = -8.015609771 + 4.5 Combine like terms: -8.015609771 + 4.5 = -3.515609771 x = -3.515609771 Simplifying x = -3.515609771

Solution

The solution to the problem is based on the solutions from the subproblems. x = {12.515609771, -3.515609771}

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