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Simplifying 7x2 + 91 = 0 Reorder the terms: 91 + 7x2 = 0 Solving 91 + 7x2 = 0 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-91' to each side of the equation. 91 + -91 + 7x2 = 0 + -91 Combine like terms: 91 + -91 = 0 0 + 7x2 = 0 + -91 7x2 = 0 + -91 Combine like terms: 0 + -91 = -91 7x2 = -91 Divide each side by '7'. x2 = -13 Simplifying x2 = -13 Reorder the terms: 13 + x2 = -13 + 13 Combine like terms: -13 + 13 = 0 13 + x2 = 0 The solution to this equation could not be determined.
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