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Simplifying 6b2 + 3b = -4 Reorder the terms: 3b + 6b2 = -4 Solving 3b + 6b2 = -4 Solving for variable 'b'. Reorder the terms: 4 + 3b + 6b2 = -4 + 4 Combine like terms: -4 + 4 = 0 4 + 3b + 6b2 = 0 Begin completing the square. Divide all terms by 6 the coefficient of the squared term: Divide each side by '6'. 0.6666666667 + 0.5b + b2 = 0 Move the constant term to the right: Add '-0.6666666667' to each side of the equation. 0.6666666667 + 0.5b + -0.6666666667 + b2 = 0 + -0.6666666667 Reorder the terms: 0.6666666667 + -0.6666666667 + 0.5b + b2 = 0 + -0.6666666667 Combine like terms: 0.6666666667 + -0.6666666667 = 0.0000000000 0.0000000000 + 0.5b + b2 = 0 + -0.6666666667 0.5b + b2 = 0 + -0.6666666667 Combine like terms: 0 + -0.6666666667 = -0.6666666667 0.5b + b2 = -0.6666666667 The b term is 0.5b. Take half its coefficient (0.25). Square it (0.0625) and add it to both sides. Add '0.0625' to each side of the equation. 0.5b + 0.0625 + b2 = -0.6666666667 + 0.0625 Reorder the terms: 0.0625 + 0.5b + b2 = -0.6666666667 + 0.0625 Combine like terms: -0.6666666667 + 0.0625 = -0.6041666667 0.0625 + 0.5b + b2 = -0.6041666667 Factor a perfect square on the left side: (b + 0.25)(b + 0.25) = -0.6041666667 Can't calculate square root of the right side. The solution to this equation could not be determined.
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