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Simplifying 2x3 + -3x2 + -12x + a = 0 Reorder the terms: a + -12x + -3x2 + 2x3 = 0 Solving a + -12x + -3x2 + 2x3 = 0 Solving for variable 'a'. Move all terms containing a to the left, all other terms to the right. Add '12x' to each side of the equation. a + -12x + -3x2 + 12x + 2x3 = 0 + 12x Reorder the terms: a + -12x + 12x + -3x2 + 2x3 = 0 + 12x Combine like terms: -12x + 12x = 0 a + 0 + -3x2 + 2x3 = 0 + 12x a + -3x2 + 2x3 = 0 + 12x Remove the zero: a + -3x2 + 2x3 = 12x Add '3x2' to each side of the equation. a + -3x2 + 3x2 + 2x3 = 12x + 3x2 Combine like terms: -3x2 + 3x2 = 0 a + 0 + 2x3 = 12x + 3x2 a + 2x3 = 12x + 3x2 Add '-2x3' to each side of the equation. a + 2x3 + -2x3 = 12x + 3x2 + -2x3 Combine like terms: 2x3 + -2x3 = 0 a + 0 = 12x + 3x2 + -2x3 a = 12x + 3x2 + -2x3 Simplifying a = 12x + 3x2 + -2x3
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