3a^2+ab+5b^2=0

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Solution for 3a^2+ab+5b^2=0 equation:


Simplifying
3a2 + ab + 5b2 = 0

Reorder the terms:
ab + 3a2 + 5b2 = 0

Solving
ab + 3a2 + 5b2 = 0

Solving for variable 'a'.

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

Divide each side by '3'.
0.3333333333ab + a2 + 1.666666667b2 = 0

Move the constant term to the right:

Add '-1.666666667b2' to each side of the equation.
0.3333333333ab + a2 + 1.666666667b2 + -1.666666667b2 = 0 + -1.666666667b2

Combine like terms: 1.666666667b2 + -1.666666667b2 = 0.000000000
0.3333333333ab + a2 + 0.000000000 = 0 + -1.666666667b2
0.3333333333ab + a2 = 0 + -1.666666667b2
Remove the zero:
0.3333333333ab + a2 = -1.666666667b2

The a term is ab.  Take half its coefficient (0.5b).
Square it (0.25b2) and add it to both sides.

Add '0.25b2' to each side of the equation.
0.3333333333ab + a2 + 0.25b2 = -1.666666667b2 + 0.25b2

Combine like terms: -1.666666667b2 + 0.25b2 = -1.416666667b2
0.3333333333ab + a2 + 0.25b2 = -1.416666667b2

Factor a perfect square on the left side:
(a + 0.5b)(a + 0.5b) = -1.416666667b2

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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