15b^2+4b+3=0

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Solution for 15b^2+4b+3=0 equation:


Simplifying
15b2 + 4b + 3 = 0

Reorder the terms:
3 + 4b + 15b2 = 0

Solving
3 + 4b + 15b2 = 0

Solving for variable 'b'.

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

Divide each side by '15'.
0.2 + 0.2666666667b + b2 = 0

Move the constant term to the right:

Add '-0.2' to each side of the equation.
0.2 + 0.2666666667b + -0.2 + b2 = 0 + -0.2

Reorder the terms:
0.2 + -0.2 + 0.2666666667b + b2 = 0 + -0.2

Combine like terms: 0.2 + -0.2 = 0.0
0.0 + 0.2666666667b + b2 = 0 + -0.2
0.2666666667b + b2 = 0 + -0.2

Combine like terms: 0 + -0.2 = -0.2
0.2666666667b + b2 = -0.2

The b term is 0.2666666667b.  Take half its coefficient (0.1333333334).
Square it (0.01777777780) and add it to both sides.

Add '0.01777777780' to each side of the equation.
0.2666666667b + 0.01777777780 + b2 = -0.2 + 0.01777777780

Reorder the terms:
0.01777777780 + 0.2666666667b + b2 = -0.2 + 0.01777777780

Combine like terms: -0.2 + 0.01777777780 = -0.1822222222
0.01777777780 + 0.2666666667b + b2 = -0.1822222222

Factor a perfect square on the left side:
(b + 0.1333333334)(b + 0.1333333334) = -0.1822222222

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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