3b^2-11b+30=0

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Solution for 3b^2-11b+30=0 equation:


Simplifying
3b2 + -11b + 30 = 0

Reorder the terms:
30 + -11b + 3b2 = 0

Solving
30 + -11b + 3b2 = 0

Solving for variable 'b'.

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

Divide each side by '3'.
10 + -3.666666667b + b2 = 0

Move the constant term to the right:

Add '-10' to each side of the equation.
10 + -3.666666667b + -10 + b2 = 0 + -10

Reorder the terms:
10 + -10 + -3.666666667b + b2 = 0 + -10

Combine like terms: 10 + -10 = 0
0 + -3.666666667b + b2 = 0 + -10
-3.666666667b + b2 = 0 + -10

Combine like terms: 0 + -10 = -10
-3.666666667b + b2 = -10

The b term is -3.666666667b.  Take half its coefficient (-1.833333334).
Square it (3.361111114) and add it to both sides.

Add '3.361111114' to each side of the equation.
-3.666666667b + 3.361111114 + b2 = -10 + 3.361111114

Reorder the terms:
3.361111114 + -3.666666667b + b2 = -10 + 3.361111114

Combine like terms: -10 + 3.361111114 = -6.638888886
3.361111114 + -3.666666667b + b2 = -6.638888886

Factor a perfect square on the left side:
(b + -1.833333334)(b + -1.833333334) = -6.638888886

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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