18a^2+27a+56=0

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Solution for 18a^2+27a+56=0 equation:


Simplifying
18a2 + 27a + 56 = 0

Reorder the terms:
56 + 27a + 18a2 = 0

Solving
56 + 27a + 18a2 = 0

Solving for variable 'a'.

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

Divide each side by '18'.
3.111111111 + 1.5a + a2 = 0

Move the constant term to the right:

Add '-3.111111111' to each side of the equation.
3.111111111 + 1.5a + -3.111111111 + a2 = 0 + -3.111111111

Reorder the terms:
3.111111111 + -3.111111111 + 1.5a + a2 = 0 + -3.111111111

Combine like terms: 3.111111111 + -3.111111111 = 0.000000000
0.000000000 + 1.5a + a2 = 0 + -3.111111111
1.5a + a2 = 0 + -3.111111111

Combine like terms: 0 + -3.111111111 = -3.111111111
1.5a + a2 = -3.111111111

The a term is 1.5a.  Take half its coefficient (0.75).
Square it (0.5625) and add it to both sides.

Add '0.5625' to each side of the equation.
1.5a + 0.5625 + a2 = -3.111111111 + 0.5625

Reorder the terms:
0.5625 + 1.5a + a2 = -3.111111111 + 0.5625

Combine like terms: -3.111111111 + 0.5625 = -2.548611111
0.5625 + 1.5a + a2 = -2.548611111

Factor a perfect square on the left side:
(a + 0.75)(a + 0.75) = -2.548611111

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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