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Simplifying 7x2 + 28 = 0 Reorder the terms: 28 + 7x2 = 0 Solving 28 + 7x2 = 0 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-28' to each side of the equation. 28 + -28 + 7x2 = 0 + -28 Combine like terms: 28 + -28 = 0 0 + 7x2 = 0 + -28 7x2 = 0 + -28 Combine like terms: 0 + -28 = -28 7x2 = -28 Divide each side by '7'. x2 = -4 Simplifying x2 = -4 Reorder the terms: 4 + x2 = -4 + 4 Combine like terms: -4 + 4 = 0 4 + x2 = 0 The solution to this equation could not be determined.
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