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Simplifying 2x2 + 2ax + -4 = 0 Reorder the terms: -4 + 2ax + 2x2 = 0 Solving -4 + 2ax + 2x2 = 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 + 2ax + 4 + 2x2 = 0 + 4 Reorder the terms: -4 + 4 + 2ax + 2x2 = 0 + 4 Combine like terms: -4 + 4 = 0 0 + 2ax + 2x2 = 0 + 4 2ax + 2x2 = 0 + 4 Combine like terms: 0 + 4 = 4 2ax + 2x2 = 4 Add '-2x2' to each side of the equation. 2ax + 2x2 + -2x2 = 4 + -2x2 Combine like terms: 2x2 + -2x2 = 0 2ax + 0 = 4 + -2x2 2ax = 4 + -2x2 Divide each side by '2x'. a = 2x-1 + -1x Simplifying a = 2x-1 + -1x
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