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Simplifying 3x2 + -6 = -21 Reorder the terms: -6 + 3x2 = -21 Solving -6 + 3x2 = -21 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '6' to each side of the equation. -6 + 6 + 3x2 = -21 + 6 Combine like terms: -6 + 6 = 0 0 + 3x2 = -21 + 6 3x2 = -21 + 6 Combine like terms: -21 + 6 = -15 3x2 = -15 Divide each side by '3'. x2 = -5 Simplifying x2 = -5 Reorder the terms: 5 + x2 = -5 + 5 Combine like terms: -5 + 5 = 0 5 + x2 = 0 The solution to this equation could not be determined.
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