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Simplifying 12x2 + -20ix + -3 = 0 Reorder the terms: -3 + -20ix + 12x2 = 0 Solving -3 + -20ix + 12x2 = 0 Solving for variable 'i'. Move all terms containing i to the left, all other terms to the right. Add '3' to each side of the equation. -3 + -20ix + 3 + 12x2 = 0 + 3 Reorder the terms: -3 + 3 + -20ix + 12x2 = 0 + 3 Combine like terms: -3 + 3 = 0 0 + -20ix + 12x2 = 0 + 3 -20ix + 12x2 = 0 + 3 Combine like terms: 0 + 3 = 3 -20ix + 12x2 = 3 Add '-12x2' to each side of the equation. -20ix + 12x2 + -12x2 = 3 + -12x2 Combine like terms: 12x2 + -12x2 = 0 -20ix + 0 = 3 + -12x2 -20ix = 3 + -12x2 Divide each side by '-20x'. i = -0.15x-1 + 0.6x Simplifying i = -0.15x-1 + 0.6x
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