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Simplifying 4c2 + 12cb + 9d2 = 0 Reorder the terms: 12bc + 4c2 + 9d2 = 0 Solving 12bc + 4c2 + 9d2 = 0 Solving for variable 'b'. Move all terms containing b to the left, all other terms to the right. Add '-4c2' to each side of the equation. 12bc + 4c2 + -4c2 + 9d2 = 0 + -4c2 Combine like terms: 4c2 + -4c2 = 0 12bc + 0 + 9d2 = 0 + -4c2 12bc + 9d2 = 0 + -4c2 Remove the zero: 12bc + 9d2 = -4c2 Add '-9d2' to each side of the equation. 12bc + 9d2 + -9d2 = -4c2 + -9d2 Combine like terms: 9d2 + -9d2 = 0 12bc + 0 = -4c2 + -9d2 12bc = -4c2 + -9d2 Divide each side by '12c'. b = -0.3333333333c + -0.75c-1d2 Simplifying b = -0.3333333333c + -0.75c-1d2 Reorder the terms: b = -0.75c-1d2 + -0.3333333333c
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