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Simplifying 7x2 + 84 = 0 Reorder the terms: 84 + 7x2 = 0 Solving 84 + 7x2 = 0 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-84' to each side of the equation. 84 + -84 + 7x2 = 0 + -84 Combine like terms: 84 + -84 = 0 0 + 7x2 = 0 + -84 7x2 = 0 + -84 Combine like terms: 0 + -84 = -84 7x2 = -84 Divide each side by '7'. x2 = -12 Simplifying x2 = -12 Reorder the terms: 12 + x2 = -12 + 12 Combine like terms: -12 + 12 = 0 12 + x2 = 0 The solution to this equation could not be determined.
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