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Simplifying 9x2 + 4 = -77 Reorder the terms: 4 + 9x2 = -77 Solving 4 + 9x2 = -77 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-4' to each side of the equation. 4 + -4 + 9x2 = -77 + -4 Combine like terms: 4 + -4 = 0 0 + 9x2 = -77 + -4 9x2 = -77 + -4 Combine like terms: -77 + -4 = -81 9x2 = -81 Divide each side by '9'. 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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