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Simplifying 11x2 + -40x + 1815 = 0 Reorder the terms: 1815 + -40x + 11x2 = 0 Solving 1815 + -40x + 11x2 = 0 Solving for variable 'x'. Begin completing the square. Divide all terms by 11 the coefficient of the squared term: Divide each side by '11'. 165 + -3.636363636x + x2 = 0 Move the constant term to the right: Add '-165' to each side of the equation. 165 + -3.636363636x + -165 + x2 = 0 + -165 Reorder the terms: 165 + -165 + -3.636363636x + x2 = 0 + -165 Combine like terms: 165 + -165 = 0 0 + -3.636363636x + x2 = 0 + -165 -3.636363636x + x2 = 0 + -165 Combine like terms: 0 + -165 = -165 -3.636363636x + x2 = -165 The x term is -3.636363636x. Take half its coefficient (-1.818181818). Square it (3.305785123) and add it to both sides. Add '3.305785123' to each side of the equation. -3.636363636x + 3.305785123 + x2 = -165 + 3.305785123 Reorder the terms: 3.305785123 + -3.636363636x + x2 = -165 + 3.305785123 Combine like terms: -165 + 3.305785123 = -161.694214877 3.305785123 + -3.636363636x + x2 = -161.694214877 Factor a perfect square on the left side: (x + -1.818181818)(x + -1.818181818) = -161.694214877 Can't calculate square root of the right side. The solution to this equation could not be determined.
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