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Simplifying 5X2 + -1X + 14 = 0 Reorder the terms: 14 + -1X + 5X2 = 0 Solving 14 + -1X + 5X2 = 0 Solving for variable 'X'. Begin completing the square. Divide all terms by 5 the coefficient of the squared term: Divide each side by '5'. 2.8 + -0.2X + X2 = 0 Move the constant term to the right: Add '-2.8' to each side of the equation. 2.8 + -0.2X + -2.8 + X2 = 0 + -2.8 Reorder the terms: 2.8 + -2.8 + -0.2X + X2 = 0 + -2.8 Combine like terms: 2.8 + -2.8 = 0.0 0.0 + -0.2X + X2 = 0 + -2.8 -0.2X + X2 = 0 + -2.8 Combine like terms: 0 + -2.8 = -2.8 -0.2X + X2 = -2.8 The X term is -0.2X. Take half its coefficient (-0.1). Square it (0.01) and add it to both sides. Add '0.01' to each side of the equation. -0.2X + 0.01 + X2 = -2.8 + 0.01 Reorder the terms: 0.01 + -0.2X + X2 = -2.8 + 0.01 Combine like terms: -2.8 + 0.01 = -2.79 0.01 + -0.2X + X2 = -2.79 Factor a perfect square on the left side: (X + -0.1)(X + -0.1) = -2.79 Can't calculate square root of the right side. The solution to this equation could not be determined.
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