a^2+12742*a=1225

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Solution for a^2+12742*a=1225 equation:


Simplifying
a2 + 12742a = 1225

Reorder the terms:
12742a + a2 = 1225

Solving
12742a + a2 = 1225

Solving for variable 'a'.

Reorder the terms:
-1225 + 12742a + a2 = 1225 + -1225

Combine like terms: 1225 + -1225 = 0
-1225 + 12742a + a2 = 0

Begin completing the square.

Move the constant term to the right:

Add '1225' to each side of the equation.
-1225 + 12742a + 1225 + a2 = 0 + 1225

Reorder the terms:
-1225 + 1225 + 12742a + a2 = 0 + 1225

Combine like terms: -1225 + 1225 = 0
0 + 12742a + a2 = 0 + 1225
12742a + a2 = 0 + 1225

Combine like terms: 0 + 1225 = 1225
12742a + a2 = 1225

The a term is 12742a.  Take half its coefficient (6371).
Square it (40589641) and add it to both sides.

Add '40589641' to each side of the equation.
12742a + 40589641 + a2 = 1225 + 40589641

Reorder the terms:
40589641 + 12742a + a2 = 1225 + 40589641

Combine like terms: 1225 + 40589641 = 40590866
40589641 + 12742a + a2 = 40590866

Factor a perfect square on the left side:
(a + 6371)(a + 6371) = 40590866

Calculate the square root of the right side: 6371.096138028

Break this problem into two subproblems by setting 
(a + 6371) equal to 6371.096138028 and -6371.096138028.

Subproblem 1

a + 6371 = 6371.096138028 Simplifying a + 6371 = 6371.096138028 Reorder the terms: 6371 + a = 6371.096138028 Solving 6371 + a = 6371.096138028 Solving for variable 'a'. Move all terms containing a to the left, all other terms to the right. Add '-6371' to each side of the equation. 6371 + -6371 + a = 6371.096138028 + -6371 Combine like terms: 6371 + -6371 = 0 0 + a = 6371.096138028 + -6371 a = 6371.096138028 + -6371 Combine like terms: 6371.096138028 + -6371 = 0.096138028 a = 0.096138028 Simplifying a = 0.096138028

Subproblem 2

a + 6371 = -6371.096138028 Simplifying a + 6371 = -6371.096138028 Reorder the terms: 6371 + a = -6371.096138028 Solving 6371 + a = -6371.096138028 Solving for variable 'a'. Move all terms containing a to the left, all other terms to the right. Add '-6371' to each side of the equation. 6371 + -6371 + a = -6371.096138028 + -6371 Combine like terms: 6371 + -6371 = 0 0 + a = -6371.096138028 + -6371 a = -6371.096138028 + -6371 Combine like terms: -6371.096138028 + -6371 = -12742.096138028 a = -12742.096138028 Simplifying a = -12742.096138028

Solution

The solution to the problem is based on the solutions from the subproblems. a = {0.096138028, -12742.096138028}

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