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Simplifying x2 + 5.7 + -4.7x = 0 Reorder the terms: 5.7 + -4.7x + x2 = 0 Solving 5.7 + -4.7x + x2 = 0 Solving for variable 'x'. Begin completing the square. Move the constant term to the right: Add '-5.7' to each side of the equation. 5.7 + -4.7x + -5.7 + x2 = 0 + -5.7 Reorder the terms: 5.7 + -5.7 + -4.7x + x2 = 0 + -5.7 Combine like terms: 5.7 + -5.7 = 0.0 0.0 + -4.7x + x2 = 0 + -5.7 -4.7x + x2 = 0 + -5.7 Combine like terms: 0 + -5.7 = -5.7 -4.7x + x2 = -5.7 The x term is -4.7x. Take half its coefficient (-2.35). Square it (5.5225) and add it to both sides. Add '5.5225' to each side of the equation. -4.7x + 5.5225 + x2 = -5.7 + 5.5225 Reorder the terms: 5.5225 + -4.7x + x2 = -5.7 + 5.5225 Combine like terms: -5.7 + 5.5225 = -0.1775 5.5225 + -4.7x + x2 = -0.1775 Factor a perfect square on the left side: (x + -2.35)(x + -2.35) = -0.1775 Can't calculate square root of the right side. The solution to this equation could not be determined.
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