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Simplifying ax2 + 36x + 81 = 0 Reorder the terms: 81 + ax2 + 36x = 0 Solving 81 + ax2 + 36x = 0 Solving for variable 'a'. Move all terms containing a to the left, all other terms to the right. Add '-81' to each side of the equation. 81 + ax2 + -81 + 36x = 0 + -81 Reorder the terms: 81 + -81 + ax2 + 36x = 0 + -81 Combine like terms: 81 + -81 = 0 0 + ax2 + 36x = 0 + -81 ax2 + 36x = 0 + -81 Combine like terms: 0 + -81 = -81 ax2 + 36x = -81 Add '-36x' to each side of the equation. ax2 + 36x + -36x = -81 + -36x Combine like terms: 36x + -36x = 0 ax2 + 0 = -81 + -36x ax2 = -81 + -36x Divide each side by 'x2'. a = -81x-2 + -36x-1 Simplifying a = -81x-2 + -36x-1
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