(-6b^2-2b-1)+(-2b^2+4b)=

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Solution for (-6b^2-2b-1)+(-2b^2+4b)= equation: 


Simplifying
(-6b2 + -2b + -1) + (-2b2 + 4b) = 0

Reorder the terms:
(-1 + -2b + -6b2) + (-2b2 + 4b) = 0

Remove parenthesis around (-1 + -2b + -6b2)
-1 + -2b + -6b2 + (-2b2 + 4b) = 0

Reorder the terms:
-1 + -2b + -6b2 + (4b + -2b2) = 0

Remove parenthesis around (4b + -2b2)
-1 + -2b + -6b2 + 4b + -2b2 = 0

Reorder the terms:
-1 + -2b + 4b + -6b2 + -2b2 = 0

Combine like terms: -2b + 4b = 2b
-1 + 2b + -6b2 + -2b2 = 0

Combine like terms: -6b2 + -2b2 = -8b2
-1 + 2b + -8b2 = 0

Solving
-1 + 2b + -8b2 = 0

Solving for variable 'b'.

Begin completing the square.  Divide all terms by
-8 the coefficient of the squared term: 

Divide each side by '-8'.
0.125 + -0.25b + b2 = 0

Move the constant term to the right:

Add '-0.125' to each side of the equation.
0.125 + -0.25b + -0.125 + b2 = 0 + -0.125

Reorder the terms:
0.125 + -0.125 + -0.25b + b2 = 0 + -0.125

Combine like terms: 0.125 + -0.125 = 0.000
0.000 + -0.25b + b2 = 0 + -0.125
-0.25b + b2 = 0 + -0.125

Combine like terms: 0 + -0.125 = -0.125
-0.25b + b2 = -0.125

The b term is -0.25b.  Take half its coefficient (-0.125).
Square it (0.015625) and add it to both sides.

Add '0.015625' to each side of the equation.
-0.25b + 0.015625 + b2 = -0.125 + 0.015625

Reorder the terms:
0.015625 + -0.25b + b2 = -0.125 + 0.015625

Combine like terms: -0.125 + 0.015625 = -0.109375
0.015625 + -0.25b + b2 = -0.109375

Factor a perfect square on the left side:
(b + -0.125)(b + -0.125) = -0.109375

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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