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Simplifying 3(x2 + -2) = -18 Reorder the terms: 3(-2 + x2) = -18 (-2 * 3 + x2 * 3) = -18 (-6 + 3x2) = -18 Solving -6 + 3x2 = -18 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 = -18 + 6 Combine like terms: -6 + 6 = 0 0 + 3x2 = -18 + 6 3x2 = -18 + 6 Combine like terms: -18 + 6 = -12 3x2 = -12 Divide each side by '3'. x2 = -4 Simplifying x2 = -4 Reorder the terms: 4 + x2 = -4 + 4 Combine like terms: -4 + 4 = 0 4 + x2 = 0 The solution to this equation could not be determined.
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