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Simplifying 3x2 + ax + -12 = 0 Reorder the terms: -12 + ax + 3x2 = 0 Solving -12 + ax + 3x2 = 0 Solving for variable 'a'. Move all terms containing a to the left, all other terms to the right. Add '12' to each side of the equation. -12 + ax + 12 + 3x2 = 0 + 12 Reorder the terms: -12 + 12 + ax + 3x2 = 0 + 12 Combine like terms: -12 + 12 = 0 0 + ax + 3x2 = 0 + 12 ax + 3x2 = 0 + 12 Combine like terms: 0 + 12 = 12 ax + 3x2 = 12 Add '-3x2' to each side of the equation. ax + 3x2 + -3x2 = 12 + -3x2 Combine like terms: 3x2 + -3x2 = 0 ax + 0 = 12 + -3x2 ax = 12 + -3x2 Divide each side by 'x'. a = 12x-1 + -3x Simplifying a = 12x-1 + -3x
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