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Simplifying 0.59x2 + -1x + 15 = 0 Reorder the terms: 15 + -1x + 0.59x2 = 0 Solving 15 + -1x + 0.59x2 = 0 Solving for variable 'x'. Begin completing the square. Divide all terms by 0.59 the coefficient of the squared term: Divide each side by '0.59'. 25.42372881 + -1.694915254x + x2 = 0 Move the constant term to the right: Add '-25.42372881' to each side of the equation. 25.42372881 + -1.694915254x + -25.42372881 + x2 = 0 + -25.42372881 Reorder the terms: 25.42372881 + -25.42372881 + -1.694915254x + x2 = 0 + -25.42372881 Combine like terms: 25.42372881 + -25.42372881 = 0.00000000 0.00000000 + -1.694915254x + x2 = 0 + -25.42372881 -1.694915254x + x2 = 0 + -25.42372881 Combine like terms: 0 + -25.42372881 = -25.42372881 -1.694915254x + x2 = -25.42372881 The x term is -1.694915254x. Take half its coefficient (-0.847457627). Square it (0.7181844296) and add it to both sides. Add '0.7181844296' to each side of the equation. -1.694915254x + 0.7181844296 + x2 = -25.42372881 + 0.7181844296 Reorder the terms: 0.7181844296 + -1.694915254x + x2 = -25.42372881 + 0.7181844296 Combine like terms: -25.42372881 + 0.7181844296 = -24.7055443804 0.7181844296 + -1.694915254x + x2 = -24.7055443804 Factor a perfect square on the left side: (x + -0.847457627)(x + -0.847457627) = -24.7055443804 Can't calculate square root of the right side. The solution to this equation could not be determined.
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