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Simplifying 3X2 + -21x + 18 = 0 Reorder the terms: 18 + 3X2 + -21x = 0 Solving 18 + 3X2 + -21x = 0 Solving for variable 'X'. Move all terms containing X to the left, all other terms to the right. Add '-18' to each side of the equation. 18 + 3X2 + -18 + -21x = 0 + -18 Reorder the terms: 18 + -18 + 3X2 + -21x = 0 + -18 Combine like terms: 18 + -18 = 0 0 + 3X2 + -21x = 0 + -18 3X2 + -21x = 0 + -18 Combine like terms: 0 + -18 = -18 3X2 + -21x = -18 Add '21x' to each side of the equation. 3X2 + -21x + 21x = -18 + 21x Combine like terms: -21x + 21x = 0 3X2 + 0 = -18 + 21x 3X2 = -18 + 21x Divide each side by '3'. X2 = -6 + 7x Simplifying X2 = -6 + 7x Reorder the terms: 6 + X2 + -7x = -6 + 7x + 6 + -7x Reorder the terms: 6 + X2 + -7x = -6 + 6 + 7x + -7x Combine like terms: -6 + 6 = 0 6 + X2 + -7x = 0 + 7x + -7x 6 + X2 + -7x = 7x + -7x Combine like terms: 7x + -7x = 0 6 + X2 + -7x = 0 The solution to this equation could not be determined.
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