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Simplifying 0.0055x2 + -0.68x + 154 = 0 Reorder the terms: 154 + -0.68x + 0.0055x2 = 0 Solving 154 + -0.68x + 0.0055x2 = 0 Solving for variable 'x'. Begin completing the square. Divide all terms by 0.0055 the coefficient of the squared term: Divide each side by '0.0055'. 28000 + -123.6363636x + x2 = 0 Move the constant term to the right: Add '-28000' to each side of the equation. 28000 + -123.6363636x + -28000 + x2 = 0 + -28000 Reorder the terms: 28000 + -28000 + -123.6363636x + x2 = 0 + -28000 Combine like terms: 28000 + -28000 = 0 0 + -123.6363636x + x2 = 0 + -28000 -123.6363636x + x2 = 0 + -28000 Combine like terms: 0 + -28000 = -28000 -123.6363636x + x2 = -28000 The x term is -123.6363636x. Take half its coefficient (-61.8181818). Square it (3821.487601) and add it to both sides. Add '3821.487601' to each side of the equation. -123.6363636x + 3821.487601 + x2 = -28000 + 3821.487601 Reorder the terms: 3821.487601 + -123.6363636x + x2 = -28000 + 3821.487601 Combine like terms: -28000 + 3821.487601 = -24178.512399 3821.487601 + -123.6363636x + x2 = -24178.512399 Factor a perfect square on the left side: (x + -61.8181818)(x + -61.8181818) = -24178.512399 Can't calculate square root of the right side. The solution to this equation could not be determined.
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