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Simplifying 4x2 + 5 = -9 Reorder the terms: 5 + 4x2 = -9 Solving 5 + 4x2 = -9 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-5' to each side of the equation. 5 + -5 + 4x2 = -9 + -5 Combine like terms: 5 + -5 = 0 0 + 4x2 = -9 + -5 4x2 = -9 + -5 Combine like terms: -9 + -5 = -14 4x2 = -14 Divide each side by '4'. x2 = -3.5 Simplifying x2 = -3.5 Reorder the terms: 3.5 + x2 = -3.5 + 3.5 Combine like terms: -3.5 + 3.5 = 0.0 3.5 + x2 = 0.0 The solution to this equation could not be determined.
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