(a^2*-0.669)+(a*32.8)+2998=0

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Solution for (a^2*-0.669)+(a*32.8)+2998=0 equation:


Simplifying
(a2 * -0.669) + (a * 32.8) + 2998 = 0

Reorder the terms for easier multiplication:
(-0.669a2) + (a * 32.8) + 2998 = 0

Reorder the terms for easier multiplication:
(-0.669a2) + (32.8a) + 2998 = 0

Reorder the terms:
2998 + (32.8a) + (-0.669a2) = 0

Solving
2998 + (32.8a) + (-0.669a2) = 0

Solving for variable 'a'.

Begin completing the square.  Divide all terms by
-0.669 the coefficient of the squared term: 

Divide each side by '-0.669'.
-4481.315396 + (-49.0284006a) + a2 = 0

Move the constant term to the right:

Add '4481.315396' to each side of the equation.
-4481.315396 + (-49.0284006a) + 4481.315396 + a2 = 0 + 4481.315396

Reorder the terms:
-4481.315396 + 4481.315396 + (-49.0284006a) + a2 = 0 + 4481.315396

Combine like terms: -4481.315396 + 4481.315396 = 0.000000
0.000000 + (-49.0284006a) + a2 = 0 + 4481.315396
(-49.0284006a) + a2 = 0 + 4481.315396

Combine like terms: 0 + 4481.315396 = 4481.315396
(-49.0284006a) + a2 = 4481.315396

The a term is (-49.0284006a).  Take half its coefficient (-24.5142003).
Square it (600.9460163) and add it to both sides.

Add '600.9460163' to each side of the equation.
(-49.0284006a) + 600.9460163 + a2 = 4481.315396 + 600.9460163

Reorder the terms:
600.9460163 + (-49.0284006a) + a2 = 4481.315396 + 600.9460163

Combine like terms: 4481.315396 + 600.9460163 = 5082.2614123
600.9460163 + (-49.0284006a) + a2 = 5082.2614123

Factor a perfect square on the left side:
((a) + -24.5142003)((a) + -24.5142003) = 5082.2614123

Calculate the square root of the right side: 71.28998115

Break this problem into two subproblems by setting 
((a) + -24.5142003) equal to 71.28998115 and -71.28998115.

Subproblem 1

(a) + -24.5142003 = 71.28998115 Simplifying (a) + -24.5142003 = 71.28998115 a + -24.5142003 = 71.28998115 Reorder the terms: -24.5142003 + a = 71.28998115 Solving -24.5142003 + a = 71.28998115 Solving for variable 'a'. Move all terms containing a to the left, all other terms to the right. Add '24.5142003' to each side of the equation. -24.5142003 + 24.5142003 + a = 71.28998115 + 24.5142003 Combine like terms: -24.5142003 + 24.5142003 = 0.0000000 0.0000000 + a = 71.28998115 + 24.5142003 a = 71.28998115 + 24.5142003 Combine like terms: 71.28998115 + 24.5142003 = 95.80418145 a = 95.80418145 Simplifying a = 95.80418145

Subproblem 2

(a) + -24.5142003 = -71.28998115 Simplifying (a) + -24.5142003 = -71.28998115 a + -24.5142003 = -71.28998115 Reorder the terms: -24.5142003 + a = -71.28998115 Solving -24.5142003 + a = -71.28998115 Solving for variable 'a'. Move all terms containing a to the left, all other terms to the right. Add '24.5142003' to each side of the equation. -24.5142003 + 24.5142003 + a = -71.28998115 + 24.5142003 Combine like terms: -24.5142003 + 24.5142003 = 0.0000000 0.0000000 + a = -71.28998115 + 24.5142003 a = -71.28998115 + 24.5142003 Combine like terms: -71.28998115 + 24.5142003 = -46.77578085 a = -46.77578085 Simplifying a = -46.77578085

Solution

The solution to the problem is based on the solutions from the subproblems. a = {95.80418145, -46.77578085}

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