20b^2+29b+11=-7

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Solution for 20b^2+29b+11=-7 equation:


Simplifying
20b2 + 29b + 11 = -7

Reorder the terms:
11 + 29b + 20b2 = -7

Solving
11 + 29b + 20b2 = -7

Solving for variable 'b'.

Reorder the terms:
11 + 7 + 29b + 20b2 = -7 + 7

Combine like terms: 11 + 7 = 18
18 + 29b + 20b2 = -7 + 7

Combine like terms: -7 + 7 = 0
18 + 29b + 20b2 = 0

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

Divide each side by '20'.
0.9 + 1.45b + b2 = 0

Move the constant term to the right:

Add '-0.9' to each side of the equation.
0.9 + 1.45b + -0.9 + b2 = 0 + -0.9

Reorder the terms:
0.9 + -0.9 + 1.45b + b2 = 0 + -0.9

Combine like terms: 0.9 + -0.9 = 0.0
0.0 + 1.45b + b2 = 0 + -0.9
1.45b + b2 = 0 + -0.9

Combine like terms: 0 + -0.9 = -0.9
1.45b + b2 = -0.9

The b term is 1.45b.  Take half its coefficient (0.725).
Square it (0.525625) and add it to both sides.

Add '0.525625' to each side of the equation.
1.45b + 0.525625 + b2 = -0.9 + 0.525625

Reorder the terms:
0.525625 + 1.45b + b2 = -0.9 + 0.525625

Combine like terms: -0.9 + 0.525625 = -0.374375
0.525625 + 1.45b + b2 = -0.374375

Factor a perfect square on the left side:
(b + 0.725)(b + 0.725) = -0.374375

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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