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Simplifying 3x2 + 75 = 21 Reorder the terms: 75 + 3x2 = 21 Solving 75 + 3x2 = 21 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-75' to each side of the equation. 75 + -75 + 3x2 = 21 + -75 Combine like terms: 75 + -75 = 0 0 + 3x2 = 21 + -75 3x2 = 21 + -75 Combine like terms: 21 + -75 = -54 3x2 = -54 Divide each side by '3'. x2 = -18 Simplifying x2 = -18 Reorder the terms: 18 + x2 = -18 + 18 Combine like terms: -18 + 18 = 0 18 + x2 = 0 The solution to this equation could not be determined.
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