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Simplifying 2x2 + -10x + -5a + 5 = 0 Reorder the terms: 5 + -5a + -10x + 2x2 = 0 Solving 5 + -5a + -10x + 2x2 = 0 Solving for variable 'a'. Move all terms containing a to the left, all other terms to the right. Add '-5' to each side of the equation. 5 + -5a + -10x + -5 + 2x2 = 0 + -5 Reorder the terms: 5 + -5 + -5a + -10x + 2x2 = 0 + -5 Combine like terms: 5 + -5 = 0 0 + -5a + -10x + 2x2 = 0 + -5 -5a + -10x + 2x2 = 0 + -5 Combine like terms: 0 + -5 = -5 -5a + -10x + 2x2 = -5 Add '10x' to each side of the equation. -5a + -10x + 10x + 2x2 = -5 + 10x Combine like terms: -10x + 10x = 0 -5a + 0 + 2x2 = -5 + 10x -5a + 2x2 = -5 + 10x Add '-2x2' to each side of the equation. -5a + 2x2 + -2x2 = -5 + 10x + -2x2 Combine like terms: 2x2 + -2x2 = 0 -5a + 0 = -5 + 10x + -2x2 -5a = -5 + 10x + -2x2 Divide each side by '-5'. a = 1 + -2x + 0.4x2 Simplifying a = 1 + -2x + 0.4x2
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