18a^2+10a=-11+4

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Solution for 18a^2+10a=-11+4 equation:


Simplifying
18a2 + 10a = -11 + 4

Reorder the terms:
10a + 18a2 = -11 + 4

Combine like terms: -11 + 4 = -7
10a + 18a2 = -7

Solving
10a + 18a2 = -7

Solving for variable 'a'.

Reorder the terms:
7 + 10a + 18a2 = -7 + 7

Combine like terms: -7 + 7 = 0
7 + 10a + 18a2 = 0

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

Divide each side by '18'.
0.3888888889 + 0.5555555556a + a2 = 0

Move the constant term to the right:

Add '-0.3888888889' to each side of the equation.
0.3888888889 + 0.5555555556a + -0.3888888889 + a2 = 0 + -0.3888888889

Reorder the terms:
0.3888888889 + -0.3888888889 + 0.5555555556a + a2 = 0 + -0.3888888889

Combine like terms: 0.3888888889 + -0.3888888889 = 0.0000000000
0.0000000000 + 0.5555555556a + a2 = 0 + -0.3888888889
0.5555555556a + a2 = 0 + -0.3888888889

Combine like terms: 0 + -0.3888888889 = -0.3888888889
0.5555555556a + a2 = -0.3888888889

The a term is 0.5555555556a.  Take half its coefficient (0.2777777778).
Square it (0.07716049384) and add it to both sides.

Add '0.07716049384' to each side of the equation.
0.5555555556a + 0.07716049384 + a2 = -0.3888888889 + 0.07716049384

Reorder the terms:
0.07716049384 + 0.5555555556a + a2 = -0.3888888889 + 0.07716049384

Combine like terms: -0.3888888889 + 0.07716049384 = -0.31172839506
0.07716049384 + 0.5555555556a + a2 = -0.31172839506

Factor a perfect square on the left side:
(a + 0.2777777778)(a + 0.2777777778) = -0.31172839506

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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