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Simplifying x2 + -1.7x + 22 = 0 Reorder the terms: 22 + -1.7x + x2 = 0 Solving 22 + -1.7x + x2 = 0 Solving for variable 'x'. Begin completing the square. Move the constant term to the right: Add '-22' to each side of the equation. 22 + -1.7x + -22 + x2 = 0 + -22 Reorder the terms: 22 + -22 + -1.7x + x2 = 0 + -22 Combine like terms: 22 + -22 = 0 0 + -1.7x + x2 = 0 + -22 -1.7x + x2 = 0 + -22 Combine like terms: 0 + -22 = -22 -1.7x + x2 = -22 The x term is -1.7x. Take half its coefficient (-0.85). Square it (0.7225) and add it to both sides. Add '0.7225' to each side of the equation. -1.7x + 0.7225 + x2 = -22 + 0.7225 Reorder the terms: 0.7225 + -1.7x + x2 = -22 + 0.7225 Combine like terms: -22 + 0.7225 = -21.2775 0.7225 + -1.7x + x2 = -21.2775 Factor a perfect square on the left side: (x + -0.85)(x + -0.85) = -21.2775 Can't calculate square root of the right side. The solution to this equation could not be determined.
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