25a^2+2a=5868

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Solution for 25a^2+2a=5868 equation:


Simplifying
25a2 + 2a = 5868

Reorder the terms:
2a + 25a2 = 5868

Solving
2a + 25a2 = 5868

Solving for variable 'a'.

Reorder the terms:
-5868 + 2a + 25a2 = 5868 + -5868

Combine like terms: 5868 + -5868 = 0
-5868 + 2a + 25a2 = 0

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

Divide each side by '25'.
-234.72 + 0.08a + a2 = 0

Move the constant term to the right:

Add '234.72' to each side of the equation.
-234.72 + 0.08a + 234.72 + a2 = 0 + 234.72

Reorder the terms:
-234.72 + 234.72 + 0.08a + a2 = 0 + 234.72

Combine like terms: -234.72 + 234.72 = 0.00
0.00 + 0.08a + a2 = 0 + 234.72
0.08a + a2 = 0 + 234.72

Combine like terms: 0 + 234.72 = 234.72
0.08a + a2 = 234.72

The a term is 0.08a.  Take half its coefficient (0.04).
Square it (0.0016) and add it to both sides.

Add '0.0016' to each side of the equation.
0.08a + 0.0016 + a2 = 234.72 + 0.0016

Reorder the terms:
0.0016 + 0.08a + a2 = 234.72 + 0.0016

Combine like terms: 234.72 + 0.0016 = 234.7216
0.0016 + 0.08a + a2 = 234.7216

Factor a perfect square on the left side:
(a + 0.04)(a + 0.04) = 234.7216

Calculate the square root of the right side: 15.320626619

Break this problem into two subproblems by setting 
(a + 0.04) equal to 15.320626619 and -15.320626619.

Subproblem 1

a + 0.04 = 15.320626619 Simplifying a + 0.04 = 15.320626619 Reorder the terms: 0.04 + a = 15.320626619 Solving 0.04 + a = 15.320626619 Solving for variable 'a'. Move all terms containing a to the left, all other terms to the right. Add '-0.04' to each side of the equation. 0.04 + -0.04 + a = 15.320626619 + -0.04 Combine like terms: 0.04 + -0.04 = 0.00 0.00 + a = 15.320626619 + -0.04 a = 15.320626619 + -0.04 Combine like terms: 15.320626619 + -0.04 = 15.280626619 a = 15.280626619 Simplifying a = 15.280626619

Subproblem 2

a + 0.04 = -15.320626619 Simplifying a + 0.04 = -15.320626619 Reorder the terms: 0.04 + a = -15.320626619 Solving 0.04 + a = -15.320626619 Solving for variable 'a'. Move all terms containing a to the left, all other terms to the right. Add '-0.04' to each side of the equation. 0.04 + -0.04 + a = -15.320626619 + -0.04 Combine like terms: 0.04 + -0.04 = 0.00 0.00 + a = -15.320626619 + -0.04 a = -15.320626619 + -0.04 Combine like terms: -15.320626619 + -0.04 = -15.360626619 a = -15.360626619 Simplifying a = -15.360626619

Solution

The solution to the problem is based on the solutions from the subproblems. a = {15.280626619, -15.360626619}

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