(x+9)(x+9)=44

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Solution for (x+9)(x+9)=44 equation:


Simplifying
(x + 9)(x + 9) = 44

Reorder the terms:
(9 + x)(x + 9) = 44

Reorder the terms:
(9 + x)(9 + x) = 44

Multiply (9 + x) * (9 + x)
(9(9 + x) + x(9 + x)) = 44
((9 * 9 + x * 9) + x(9 + x)) = 44
((81 + 9x) + x(9 + x)) = 44
(81 + 9x + (9 * x + x * x)) = 44
(81 + 9x + (9x + x2)) = 44

Combine like terms: 9x + 9x = 18x
(81 + 18x + x2) = 44

Solving
81 + 18x + x2 = 44

Solving for variable 'x'.

Reorder the terms:
81 + -44 + 18x + x2 = 44 + -44

Combine like terms: 81 + -44 = 37
37 + 18x + x2 = 44 + -44

Combine like terms: 44 + -44 = 0
37 + 18x + x2 = 0

Begin completing the square.

Move the constant term to the right:

Add '-37' to each side of the equation.
37 + 18x + -37 + x2 = 0 + -37

Reorder the terms:
37 + -37 + 18x + x2 = 0 + -37

Combine like terms: 37 + -37 = 0
0 + 18x + x2 = 0 + -37
18x + x2 = 0 + -37

Combine like terms: 0 + -37 = -37
18x + x2 = -37

The x term is 18x.  Take half its coefficient (9).
Square it (81) and add it to both sides.

Add '81' to each side of the equation.
18x + 81 + x2 = -37 + 81

Reorder the terms:
81 + 18x + x2 = -37 + 81

Combine like terms: -37 + 81 = 44
81 + 18x + x2 = 44

Factor a perfect square on the left side:
(x + 9)(x + 9) = 44

Calculate the square root of the right side: 6.633249581

Break this problem into two subproblems by setting 
(x + 9) equal to 6.633249581 and -6.633249581.

Subproblem 1

x + 9 = 6.633249581 Simplifying x + 9 = 6.633249581 Reorder the terms: 9 + x = 6.633249581 Solving 9 + x = 6.633249581 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-9' to each side of the equation. 9 + -9 + x = 6.633249581 + -9 Combine like terms: 9 + -9 = 0 0 + x = 6.633249581 + -9 x = 6.633249581 + -9 Combine like terms: 6.633249581 + -9 = -2.366750419 x = -2.366750419 Simplifying x = -2.366750419

Subproblem 2

x + 9 = -6.633249581 Simplifying x + 9 = -6.633249581 Reorder the terms: 9 + x = -6.633249581 Solving 9 + x = -6.633249581 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-9' to each side of the equation. 9 + -9 + x = -6.633249581 + -9 Combine like terms: 9 + -9 = 0 0 + x = -6.633249581 + -9 x = -6.633249581 + -9 Combine like terms: -6.633249581 + -9 = -15.633249581 x = -15.633249581 Simplifying x = -15.633249581

Solution

The solution to the problem is based on the solutions from the subproblems. x = {-2.366750419, -15.633249581}

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