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Simplifying (x2) + -1(0.25x) + 1.4 = 0 x2 + -1(0.25x) + 1.4 = 0 Remove parenthesis around (0.25x) x2 + -1 * 0.25x + 1.4 = 0 Multiply -1 * 0.25 x2 + -0.25x + 1.4 = 0 Reorder the terms: 1.4 + -0.25x + x2 = 0 Solving 1.4 + -0.25x + x2 = 0 Solving for variable 'x'. Begin completing the square. Move the constant term to the right: Add '-1.4' to each side of the equation. 1.4 + -0.25x + -1.4 + x2 = 0 + -1.4 Reorder the terms: 1.4 + -1.4 + -0.25x + x2 = 0 + -1.4 Combine like terms: 1.4 + -1.4 = 0.0 0.0 + -0.25x + x2 = 0 + -1.4 -0.25x + x2 = 0 + -1.4 Combine like terms: 0 + -1.4 = -1.4 -0.25x + x2 = -1.4 The x term is -0.25x. Take half its coefficient (-0.125). Square it (0.015625) and add it to both sides. Add '0.015625' to each side of the equation. -0.25x + 0.015625 + x2 = -1.4 + 0.015625 Reorder the terms: 0.015625 + -0.25x + x2 = -1.4 + 0.015625 Combine like terms: -1.4 + 0.015625 = -1.384375 0.015625 + -0.25x + x2 = -1.384375 Factor a perfect square on the left side: (x + -0.125)(x + -0.125) = -1.384375 Can't calculate square root of the right side. The solution to this equation could not be determined.
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