a^2+16a-44=2

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Solution for a^2+16a-44=2 equation:


Simplifying
a2 + 16a + -44 = 2

Reorder the terms:
-44 + 16a + a2 = 2

Solving
-44 + 16a + a2 = 2

Solving for variable 'a'.

Reorder the terms:
-44 + -2 + 16a + a2 = 2 + -2

Combine like terms: -44 + -2 = -46
-46 + 16a + a2 = 2 + -2

Combine like terms: 2 + -2 = 0
-46 + 16a + a2 = 0

Begin completing the square.

Move the constant term to the right:

Add '46' to each side of the equation.
-46 + 16a + 46 + a2 = 0 + 46

Reorder the terms:
-46 + 46 + 16a + a2 = 0 + 46

Combine like terms: -46 + 46 = 0
0 + 16a + a2 = 0 + 46
16a + a2 = 0 + 46

Combine like terms: 0 + 46 = 46
16a + a2 = 46

The a term is 16a.  Take half its coefficient (8).
Square it (64) and add it to both sides.

Add '64' to each side of the equation.
16a + 64 + a2 = 46 + 64

Reorder the terms:
64 + 16a + a2 = 46 + 64

Combine like terms: 46 + 64 = 110
64 + 16a + a2 = 110

Factor a perfect square on the left side:
(a + 8)(a + 8) = 110

Calculate the square root of the right side: 10.488088482

Break this problem into two subproblems by setting 
(a + 8) equal to 10.488088482 and -10.488088482.

Subproblem 1

a + 8 = 10.488088482 Simplifying a + 8 = 10.488088482 Reorder the terms: 8 + a = 10.488088482 Solving 8 + a = 10.488088482 Solving for variable 'a'. Move all terms containing a to the left, all other terms to the right. Add '-8' to each side of the equation. 8 + -8 + a = 10.488088482 + -8 Combine like terms: 8 + -8 = 0 0 + a = 10.488088482 + -8 a = 10.488088482 + -8 Combine like terms: 10.488088482 + -8 = 2.488088482 a = 2.488088482 Simplifying a = 2.488088482

Subproblem 2

a + 8 = -10.488088482 Simplifying a + 8 = -10.488088482 Reorder the terms: 8 + a = -10.488088482 Solving 8 + a = -10.488088482 Solving for variable 'a'. Move all terms containing a to the left, all other terms to the right. Add '-8' to each side of the equation. 8 + -8 + a = -10.488088482 + -8 Combine like terms: 8 + -8 = 0 0 + a = -10.488088482 + -8 a = -10.488088482 + -8 Combine like terms: -10.488088482 + -8 = -18.488088482 a = -18.488088482 Simplifying a = -18.488088482

Solution

The solution to the problem is based on the solutions from the subproblems. a = {2.488088482, -18.488088482}

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