8*a^2+3a+800=0

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Solution for 8*a^2+3a+800=0 equation:


Simplifying
8a2 + 3a + 800 = 0

Reorder the terms:
800 + 3a + 8a2 = 0

Solving
800 + 3a + 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'.
100 + 0.375a + a2 = 0

Move the constant term to the right:

Add '-100' to each side of the equation.
100 + 0.375a + -100 + a2 = 0 + -100

Reorder the terms:
100 + -100 + 0.375a + a2 = 0 + -100

Combine like terms: 100 + -100 = 0
0 + 0.375a + a2 = 0 + -100
0.375a + a2 = 0 + -100

Combine like terms: 0 + -100 = -100
0.375a + a2 = -100

The a term is 0.375a.  Take half its coefficient (0.1875).
Square it (0.03515625) and add it to both sides.

Add '0.03515625' to each side of the equation.
0.375a + 0.03515625 + a2 = -100 + 0.03515625

Reorder the terms:
0.03515625 + 0.375a + a2 = -100 + 0.03515625

Combine like terms: -100 + 0.03515625 = -99.96484375
0.03515625 + 0.375a + a2 = -99.96484375

Factor a perfect square on the left side:
(a + 0.1875)(a + 0.1875) = -99.96484375

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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