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Simplifying 0.03x2 + -0.84x + 11.88 = 0 Reorder the terms: 11.88 + -0.84x + 0.03x2 = 0 Solving 11.88 + -0.84x + 0.03x2 = 0 Solving for variable 'x'. Begin completing the square. Divide all terms by 0.03 the coefficient of the squared term: Divide each side by '0.03'. 396 + -28x + x2 = 0 Move the constant term to the right: Add '-396' to each side of the equation. 396 + -28x + -396 + x2 = 0 + -396 Reorder the terms: 396 + -396 + -28x + x2 = 0 + -396 Combine like terms: 396 + -396 = 0 0 + -28x + x2 = 0 + -396 -28x + x2 = 0 + -396 Combine like terms: 0 + -396 = -396 -28x + x2 = -396 The x term is -28x. Take half its coefficient (-14). Square it (196) and add it to both sides. Add '196' to each side of the equation. -28x + 196 + x2 = -396 + 196 Reorder the terms: 196 + -28x + x2 = -396 + 196 Combine like terms: -396 + 196 = -200 196 + -28x + x2 = -200 Factor a perfect square on the left side: (x + -14)(x + -14) = -200 Can't calculate square root of the right side. The solution to this equation could not be determined.
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