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Simplifying ax2 + 20x + 25 = 0 Reorder the terms: 25 + ax2 + 20x = 0 Solving 25 + ax2 + 20x = 0 Solving for variable 'a'. Move all terms containing a to the left, all other terms to the right. Add '-25' to each side of the equation. 25 + ax2 + -25 + 20x = 0 + -25 Reorder the terms: 25 + -25 + ax2 + 20x = 0 + -25 Combine like terms: 25 + -25 = 0 0 + ax2 + 20x = 0 + -25 ax2 + 20x = 0 + -25 Combine like terms: 0 + -25 = -25 ax2 + 20x = -25 Add '-20x' to each side of the equation. ax2 + 20x + -20x = -25 + -20x Combine like terms: 20x + -20x = 0 ax2 + 0 = -25 + -20x ax2 = -25 + -20x Divide each side by 'x2'. a = -25x-2 + -20x-1 Simplifying a = -25x-2 + -20x-1
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