(-6b^2-b+2)+(-3b^2-8)=

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Solution for (-6b^2-b+2)+(-3b^2-8)= equation:


Simplifying
(-6b2 + -1b + 2) + (-3b2 + -8) = 0

Reorder the terms:
(2 + -1b + -6b2) + (-3b2 + -8) = 0

Remove parenthesis around (2 + -1b + -6b2)
2 + -1b + -6b2 + (-3b2 + -8) = 0

Reorder the terms:
2 + -1b + -6b2 + (-8 + -3b2) = 0

Remove parenthesis around (-8 + -3b2)
2 + -1b + -6b2 + -8 + -3b2 = 0

Reorder the terms:
2 + -8 + -1b + -6b2 + -3b2 = 0

Combine like terms: 2 + -8 = -6
-6 + -1b + -6b2 + -3b2 = 0

Combine like terms: -6b2 + -3b2 = -9b2
-6 + -1b + -9b2 = 0

Solving
-6 + -1b + -9b2 = 0

Solving for variable 'b'.

Factor out the Greatest Common Factor (GCF), '-1'.
-1(6 + b + 9b2) = 0

Ignore the factor -1.

Subproblem 1

Set the factor '(6 + b + 9b2)' equal to zero and attempt to solve: Simplifying 6 + b + 9b2 = 0 Solving 6 + b + 9b2 = 0 Begin completing the square. Divide all terms by 9 the coefficient of the squared term: Divide each side by '9'. 0.6666666667 + 0.1111111111b + b2 = 0 Move the constant term to the right: Add '-0.6666666667' to each side of the equation. 0.6666666667 + 0.1111111111b + -0.6666666667 + b2 = 0 + -0.6666666667 Reorder the terms: 0.6666666667 + -0.6666666667 + 0.1111111111b + b2 = 0 + -0.6666666667 Combine like terms: 0.6666666667 + -0.6666666667 = 0.0000000000 0.0000000000 + 0.1111111111b + b2 = 0 + -0.6666666667 0.1111111111b + b2 = 0 + -0.6666666667 Combine like terms: 0 + -0.6666666667 = -0.6666666667 0.1111111111b + b2 = -0.6666666667 The b term is b. Take half its coefficient (0.5). Square it (0.25) and add it to both sides. Add '0.25' to each side of the equation. 0.1111111111b + 0.25 + b2 = -0.6666666667 + 0.25 Reorder the terms: 0.25 + 0.1111111111b + b2 = -0.6666666667 + 0.25 Combine like terms: -0.6666666667 + 0.25 = -0.4166666667 0.25 + 0.1111111111b + b2 = -0.4166666667 Factor a perfect square on the left side: (b + 0.5)(b + 0.5) = -0.4166666667 Can't calculate square root of the right side. The solution to this equation could not be determined. This subproblem is being ignored because a solution could not be determined. The solution to this equation could not be determined.

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