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Simplifying 0 = ax2 + bx + c Solving 0 = ax2 + bx + c Solving for variable 'a'. Move all terms containing a to the left, all other terms to the right. Add '-1ax2' to each side of the equation. 0 + -1ax2 = ax2 + bx + -1ax2 + c Remove the zero: -1ax2 = ax2 + bx + -1ax2 + c Reorder the terms: -1ax2 = ax2 + -1ax2 + bx + c Combine like terms: ax2 + -1ax2 = 0 -1ax2 = 0 + bx + c -1ax2 = bx + c Divide each side by '-1x2'. a = -1bx-1 + -1cx-2 Simplifying a = -1bx-1 + -1cx-2
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