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Simplifying 54 = 3x * 2x Reorder the terms for easier multiplication: 54 = 3 * 2x * x Multiply 3 * 2 54 = 6x * x Multiply x * x 54 = 6x2 Solving 54 = 6x2 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-6x2' to each side of the equation. 54 + -6x2 = 6x2 + -6x2 Combine like terms: 6x2 + -6x2 = 0 54 + -6x2 = 0 Add '-54' to each side of the equation. 54 + -54 + -6x2 = 0 + -54 Combine like terms: 54 + -54 = 0 0 + -6x2 = 0 + -54 -6x2 = 0 + -54 Combine like terms: 0 + -54 = -54 -6x2 = -54 Divide each side by '-6'. x2 = 9 Simplifying x2 = 9 Take the square root of each side: x = {-3, 3}
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