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Simplifying x2 + 2a + (2a + -1) = 0e Reorder the terms: x2 + 2a + (-1 + 2a) = 0e Remove parenthesis around (-1 + 2a) x2 + 2a + -1 + 2a = 0e Reorder the terms: -1 + 2a + 2a + x2 = 0e Combine like terms: 2a + 2a = 4a -1 + 4a + x2 = 0e Anything times zero is zero. -1 + 4a + x2 = 0e Solving -1 + 4a + x2 = 0 Solving for variable 'a'. Move all terms containing a to the left, all other terms to the right. Add '1' to each side of the equation. -1 + 4a + 1 + x2 = 0 + 1 Reorder the terms: -1 + 1 + 4a + x2 = 0 + 1 Combine like terms: -1 + 1 = 0 0 + 4a + x2 = 0 + 1 4a + x2 = 0 + 1 Combine like terms: 0 + 1 = 1 4a + x2 = 1 Add '-1x2' to each side of the equation. 4a + x2 + -1x2 = 1 + -1x2 Combine like terms: x2 + -1x2 = 0 4a + 0 = 1 + -1x2 4a = 1 + -1x2 Divide each side by '4'. a = 0.25 + -0.25x2 Simplifying a = 0.25 + -0.25x2
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