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Simplifying 6.4 = 0.4x2 + 10 Reorder the terms: 6.4 = 10 + 0.4x2 Solving 6.4 = 10 + 0.4x2 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.4x2' to each side of the equation. 6.4 + -0.4x2 = 10 + 0.4x2 + -0.4x2 Combine like terms: 0.4x2 + -0.4x2 = 0.0 6.4 + -0.4x2 = 10 + 0.0 6.4 + -0.4x2 = 10 Add '-6.4' to each side of the equation. 6.4 + -6.4 + -0.4x2 = 10 + -6.4 Combine like terms: 6.4 + -6.4 = 0.0 0.0 + -0.4x2 = 10 + -6.4 -0.4x2 = 10 + -6.4 Combine like terms: 10 + -6.4 = 3.6 -0.4x2 = 3.6 Divide each side by '-0.4'. x2 = -9 Simplifying x2 = -9 Reorder the terms: 9 + x2 = -9 + 9 Combine like terms: -9 + 9 = 0 9 + x2 = 0 The solution to this equation could not be determined.
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