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Simplifying 5x2 + 405 = 0 Reorder the terms: 405 + 5x2 = 0 Solving 405 + 5x2 = 0 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-405' to each side of the equation. 405 + -405 + 5x2 = 0 + -405 Combine like terms: 405 + -405 = 0 0 + 5x2 = 0 + -405 5x2 = 0 + -405 Combine like terms: 0 + -405 = -405 5x2 = -405 Divide each side by '5'. x2 = -81 Simplifying x2 = -81 Reorder the terms: 81 + x2 = -81 + 81 Combine like terms: -81 + 81 = 0 81 + x2 = 0 The solution to this equation could not be determined.
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