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Simplifying (a + -2)(5a + 4)(a + 2) = 0 Reorder the terms: (-2 + a)(5a + 4)(a + 2) = 0 Reorder the terms: (-2 + a)(4 + 5a)(a + 2) = 0 Reorder the terms: (-2 + a)(4 + 5a)(2 + a) = 0 Multiply (-2 + a) * (4 + 5a) (-2(4 + 5a) + a(4 + 5a))(2 + a) = 0 ((4 * -2 + 5a * -2) + a(4 + 5a))(2 + a) = 0 ((-8 + -10a) + a(4 + 5a))(2 + a) = 0 (-8 + -10a + (4 * a + 5a * a))(2 + a) = 0 (-8 + -10a + (4a + 5a2))(2 + a) = 0 Combine like terms: -10a + 4a = -6a (-8 + -6a + 5a2)(2 + a) = 0 Multiply (-8 + -6a + 5a2) * (2 + a) (-8(2 + a) + -6a * (2 + a) + 5a2 * (2 + a)) = 0 ((2 * -8 + a * -8) + -6a * (2 + a) + 5a2 * (2 + a)) = 0 ((-16 + -8a) + -6a * (2 + a) + 5a2 * (2 + a)) = 0 (-16 + -8a + (2 * -6a + a * -6a) + 5a2 * (2 + a)) = 0 (-16 + -8a + (-12a + -6a2) + 5a2 * (2 + a)) = 0 (-16 + -8a + -12a + -6a2 + (2 * 5a2 + a * 5a2)) = 0 (-16 + -8a + -12a + -6a2 + (10a2 + 5a3)) = 0 Combine like terms: -8a + -12a = -20a (-16 + -20a + -6a2 + 10a2 + 5a3) = 0 Combine like terms: -6a2 + 10a2 = 4a2 (-16 + -20a + 4a2 + 5a3) = 0 Solving -16 + -20a + 4a2 + 5a3 = 0 Solving for variable 'a'. The solution to this equation could not be determined.
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