8a^2+35a-44=0

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Solution for 8a^2+35a-44=0 equation:


Simplifying
8a2 + 35a + -44 = 0

Reorder the terms:
-44 + 35a + 8a2 = 0

Solving
-44 + 35a + 8a2 = 0

Solving for variable 'a'.

Begin completing the square.  Divide all terms by
8 the coefficient of the squared term: 

Divide each side by '8'.
-5.5 + 4.375a + a2 = 0

Move the constant term to the right:

Add '5.5' to each side of the equation.
-5.5 + 4.375a + 5.5 + a2 = 0 + 5.5

Reorder the terms:
-5.5 + 5.5 + 4.375a + a2 = 0 + 5.5

Combine like terms: -5.5 + 5.5 = 0.0
0.0 + 4.375a + a2 = 0 + 5.5
4.375a + a2 = 0 + 5.5

Combine like terms: 0 + 5.5 = 5.5
4.375a + a2 = 5.5

The a term is 4.375a.  Take half its coefficient (2.1875).
Square it (4.78515625) and add it to both sides.

Add '4.78515625' to each side of the equation.
4.375a + 4.78515625 + a2 = 5.5 + 4.78515625

Reorder the terms:
4.78515625 + 4.375a + a2 = 5.5 + 4.78515625

Combine like terms: 5.5 + 4.78515625 = 10.28515625
4.78515625 + 4.375a + a2 = 10.28515625

Factor a perfect square on the left side:
(a + 2.1875)(a + 2.1875) = 10.28515625

Calculate the square root of the right side: 3.207047903

Break this problem into two subproblems by setting 
(a + 2.1875) equal to 3.207047903 and -3.207047903.

Subproblem 1

a + 2.1875 = 3.207047903 Simplifying a + 2.1875 = 3.207047903 Reorder the terms: 2.1875 + a = 3.207047903 Solving 2.1875 + a = 3.207047903 Solving for variable 'a'. Move all terms containing a to the left, all other terms to the right. Add '-2.1875' to each side of the equation. 2.1875 + -2.1875 + a = 3.207047903 + -2.1875 Combine like terms: 2.1875 + -2.1875 = 0.0000 0.0000 + a = 3.207047903 + -2.1875 a = 3.207047903 + -2.1875 Combine like terms: 3.207047903 + -2.1875 = 1.019547903 a = 1.019547903 Simplifying a = 1.019547903

Subproblem 2

a + 2.1875 = -3.207047903 Simplifying a + 2.1875 = -3.207047903 Reorder the terms: 2.1875 + a = -3.207047903 Solving 2.1875 + a = -3.207047903 Solving for variable 'a'. Move all terms containing a to the left, all other terms to the right. Add '-2.1875' to each side of the equation. 2.1875 + -2.1875 + a = -3.207047903 + -2.1875 Combine like terms: 2.1875 + -2.1875 = 0.0000 0.0000 + a = -3.207047903 + -2.1875 a = -3.207047903 + -2.1875 Combine like terms: -3.207047903 + -2.1875 = -5.394547903 a = -5.394547903 Simplifying a = -5.394547903

Solution

The solution to the problem is based on the solutions from the subproblems. a = {1.019547903, -5.394547903}

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