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Simplifying x2 + -11x + 19 = -15 Reorder the terms: 19 + -11x + x2 = -15 Solving 19 + -11x + x2 = -15 Solving for variable 'x'. Reorder the terms: 19 + 15 + -11x + x2 = -15 + 15 Combine like terms: 19 + 15 = 34 34 + -11x + x2 = -15 + 15 Combine like terms: -15 + 15 = 0 34 + -11x + x2 = 0 Begin completing the square. Move the constant term to the right: Add '-34' to each side of the equation. 34 + -11x + -34 + x2 = 0 + -34 Reorder the terms: 34 + -34 + -11x + x2 = 0 + -34 Combine like terms: 34 + -34 = 0 0 + -11x + x2 = 0 + -34 -11x + x2 = 0 + -34 Combine like terms: 0 + -34 = -34 -11x + x2 = -34 The x term is -11x. Take half its coefficient (-5.5). Square it (30.25) and add it to both sides. Add '30.25' to each side of the equation. -11x + 30.25 + x2 = -34 + 30.25 Reorder the terms: 30.25 + -11x + x2 = -34 + 30.25 Combine like terms: -34 + 30.25 = -3.75 30.25 + -11x + x2 = -3.75 Factor a perfect square on the left side: (x + -5.5)(x + -5.5) = -3.75 Can't calculate square root of the right side. The solution to this equation could not be determined.
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