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Simplifying 2x2 + 11a + 15 = 0 Reorder the terms: 15 + 11a + 2x2 = 0 Solving 15 + 11a + 2x2 = 0 Solving for variable 'a'. Move all terms containing a to the left, all other terms to the right. Add '-15' to each side of the equation. 15 + 11a + -15 + 2x2 = 0 + -15 Reorder the terms: 15 + -15 + 11a + 2x2 = 0 + -15 Combine like terms: 15 + -15 = 0 0 + 11a + 2x2 = 0 + -15 11a + 2x2 = 0 + -15 Combine like terms: 0 + -15 = -15 11a + 2x2 = -15 Add '-2x2' to each side of the equation. 11a + 2x2 + -2x2 = -15 + -2x2 Combine like terms: 2x2 + -2x2 = 0 11a + 0 = -15 + -2x2 11a = -15 + -2x2 Divide each side by '11'. a = -1.363636364 + -0.1818181818x2 Simplifying a = -1.363636364 + -0.1818181818x2
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