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Simplifying 3x2 + 15 + 21 = 0 Reorder the terms: 15 + 21 + 3x2 = 0 Combine like terms: 15 + 21 = 36 36 + 3x2 = 0 Solving 36 + 3x2 = 0 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-36' to each side of the equation. 36 + -36 + 3x2 = 0 + -36 Combine like terms: 36 + -36 = 0 0 + 3x2 = 0 + -36 3x2 = 0 + -36 Combine like terms: 0 + -36 = -36 3x2 = -36 Divide each side by '3'. 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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