a(a+4)=44

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Solution for a(a+4)=44 equation:


Simplifying
a(a + 4) = 44

Reorder the terms:
a(4 + a) = 44
(4 * a + a * a) = 44
(4a + a2) = 44

Solving
4a + a2 = 44

Solving for variable 'a'.

Reorder the terms:
-44 + 4a + a2 = 44 + -44

Combine like terms: 44 + -44 = 0
-44 + 4a + a2 = 0

Begin completing the square.

Move the constant term to the right:

Add '44' to each side of the equation.
-44 + 4a + 44 + a2 = 0 + 44

Reorder the terms:
-44 + 44 + 4a + a2 = 0 + 44

Combine like terms: -44 + 44 = 0
0 + 4a + a2 = 0 + 44
4a + a2 = 0 + 44

Combine like terms: 0 + 44 = 44
4a + a2 = 44

The a term is 4a.  Take half its coefficient (2).
Square it (4) and add it to both sides.

Add '4' to each side of the equation.
4a + 4 + a2 = 44 + 4

Reorder the terms:
4 + 4a + a2 = 44 + 4

Combine like terms: 44 + 4 = 48
4 + 4a + a2 = 48

Factor a perfect square on the left side:
(a + 2)(a + 2) = 48

Calculate the square root of the right side: 6.92820323

Break this problem into two subproblems by setting 
(a + 2) equal to 6.92820323 and -6.92820323.

Subproblem 1

a + 2 = 6.92820323 Simplifying a + 2 = 6.92820323 Reorder the terms: 2 + a = 6.92820323 Solving 2 + a = 6.92820323 Solving for variable 'a'. Move all terms containing a to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + a = 6.92820323 + -2 Combine like terms: 2 + -2 = 0 0 + a = 6.92820323 + -2 a = 6.92820323 + -2 Combine like terms: 6.92820323 + -2 = 4.92820323 a = 4.92820323 Simplifying a = 4.92820323

Subproblem 2

a + 2 = -6.92820323 Simplifying a + 2 = -6.92820323 Reorder the terms: 2 + a = -6.92820323 Solving 2 + a = -6.92820323 Solving for variable 'a'. Move all terms containing a to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + a = -6.92820323 + -2 Combine like terms: 2 + -2 = 0 0 + a = -6.92820323 + -2 a = -6.92820323 + -2 Combine like terms: -6.92820323 + -2 = -8.92820323 a = -8.92820323 Simplifying a = -8.92820323

Solution

The solution to the problem is based on the solutions from the subproblems. a = {4.92820323, -8.92820323}

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