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Simplifying 0.4x2 + 1 = 0 Reorder the terms: 1 + 0.4x2 = 0 Solving 1 + 0.4x2 = 0 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + 0.4x2 = 0 + -1 Combine like terms: 1 + -1 = 0 0 + 0.4x2 = 0 + -1 0.4x2 = 0 + -1 Combine like terms: 0 + -1 = -1 0.4x2 = -1 Divide each side by '0.4'. x2 = -2.5 Simplifying x2 = -2.5 Reorder the terms: 2.5 + x2 = -2.5 + 2.5 Combine like terms: -2.5 + 2.5 = 0.0 2.5 + x2 = 0.0 The solution to this equation could not be determined.
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