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Simplifying X2 + 0.4x + -0.21 = 0 Reorder the terms: -0.21 + X2 + 0.4x = 0 Solving -0.21 + X2 + 0.4x = 0 Solving for variable 'X'. Move all terms containing X to the left, all other terms to the right. Add '0.21' to each side of the equation. -0.21 + X2 + 0.21 + 0.4x = 0 + 0.21 Reorder the terms: -0.21 + 0.21 + X2 + 0.4x = 0 + 0.21 Combine like terms: -0.21 + 0.21 = 0.00 0.00 + X2 + 0.4x = 0 + 0.21 X2 + 0.4x = 0 + 0.21 Combine like terms: 0 + 0.21 = 0.21 X2 + 0.4x = 0.21 Add '-0.4x' to each side of the equation. X2 + 0.4x + -0.4x = 0.21 + -0.4x Combine like terms: 0.4x + -0.4x = 0.0 X2 + 0.0 = 0.21 + -0.4x X2 = 0.21 + -0.4x Simplifying X2 = 0.21 + -0.4x Reorder the terms: -0.21 + X2 + 0.4x = 0.21 + -0.4x + -0.21 + 0.4x Reorder the terms: -0.21 + X2 + 0.4x = 0.21 + -0.21 + -0.4x + 0.4x Combine like terms: 0.21 + -0.21 = 0.00 -0.21 + X2 + 0.4x = 0.00 + -0.4x + 0.4x -0.21 + X2 + 0.4x = -0.4x + 0.4x Combine like terms: -0.4x + 0.4x = 0.0 -0.21 + X2 + 0.4x = 0.0 The solution to this equation could not be determined.
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