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Simplifying 4x2 + 12x2 + 9 = 0 Reorder the terms: 9 + 4x2 + 12x2 = 0 Combine like terms: 4x2 + 12x2 = 16x2 9 + 16x2 = 0 Solving 9 + 16x2 = 0 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-9' to each side of the equation. 9 + -9 + 16x2 = 0 + -9 Combine like terms: 9 + -9 = 0 0 + 16x2 = 0 + -9 16x2 = 0 + -9 Combine like terms: 0 + -9 = -9 16x2 = -9 Divide each side by '16'. x2 = -0.5625 Simplifying x2 = -0.5625 Reorder the terms: 0.5625 + x2 = -0.5625 + 0.5625 Combine like terms: -0.5625 + 0.5625 = 0.0000 0.5625 + x2 = 0.0000 The solution to this equation could not be determined.
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