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Simplifying ax2 + -2x + 4 = 0 Reorder the terms: 4 + ax2 + -2x = 0 Solving 4 + ax2 + -2x = 0 Solving for variable 'a'. Move all terms containing a to the left, all other terms to the right. Add '-4' to each side of the equation. 4 + ax2 + -4 + -2x = 0 + -4 Reorder the terms: 4 + -4 + ax2 + -2x = 0 + -4 Combine like terms: 4 + -4 = 0 0 + ax2 + -2x = 0 + -4 ax2 + -2x = 0 + -4 Combine like terms: 0 + -4 = -4 ax2 + -2x = -4 Add '2x' to each side of the equation. ax2 + -2x + 2x = -4 + 2x Combine like terms: -2x + 2x = 0 ax2 + 0 = -4 + 2x ax2 = -4 + 2x Divide each side by 'x2'. a = -4x-2 + 2x-1 Simplifying a = -4x-2 + 2x-1
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