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Simplifying ax2 + b2 + -81 = 0 Reorder the terms: -81 + ax2 + b2 = 0 Solving -81 + ax2 + b2 = 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 + b2 = 0 + 81 Reorder the terms: -81 + 81 + ax2 + b2 = 0 + 81 Combine like terms: -81 + 81 = 0 0 + ax2 + b2 = 0 + 81 ax2 + b2 = 0 + 81 Combine like terms: 0 + 81 = 81 ax2 + b2 = 81 Add '-1b2' to each side of the equation. ax2 + b2 + -1b2 = 81 + -1b2 Combine like terms: b2 + -1b2 = 0 ax2 + 0 = 81 + -1b2 ax2 = 81 + -1b2 Divide each side by 'x2'. a = 81x-2 + -1b2x-2 Simplifying a = 81x-2 + -1b2x-2 Reorder the terms: a = -1b2x-2 + 81x-2
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