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Simplifying x2 + 2a + -3 = 0 Reorder the terms: -3 + 2a + x2 = 0 Solving -3 + 2a + x2 = 0 Solving for variable 'a'. Move all terms containing a to the left, all other terms to the right. Add '3' to each side of the equation. -3 + 2a + 3 + x2 = 0 + 3 Reorder the terms: -3 + 3 + 2a + x2 = 0 + 3 Combine like terms: -3 + 3 = 0 0 + 2a + x2 = 0 + 3 2a + x2 = 0 + 3 Combine like terms: 0 + 3 = 3 2a + x2 = 3 Add '-1x2' to each side of the equation. 2a + x2 + -1x2 = 3 + -1x2 Combine like terms: x2 + -1x2 = 0 2a + 0 = 3 + -1x2 2a = 3 + -1x2 Divide each side by '2'. a = 1.5 + -0.5x2 Simplifying a = 1.5 + -0.5x2
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