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Simplifying (a + -2)(a2 + 2a + 4) = 0 Reorder the terms: (-2 + a)(a2 + 2a + 4) = 0 Reorder the terms: (-2 + a)(4 + 2a + a2) = 0 Multiply (-2 + a) * (4 + 2a + a2) (-2(4 + 2a + a2) + a(4 + 2a + a2)) = 0 ((4 * -2 + 2a * -2 + a2 * -2) + a(4 + 2a + a2)) = 0 ((-8 + -4a + -2a2) + a(4 + 2a + a2)) = 0 (-8 + -4a + -2a2 + (4 * a + 2a * a + a2 * a)) = 0 (-8 + -4a + -2a2 + (4a + 2a2 + a3)) = 0 Reorder the terms: (-8 + -4a + 4a + -2a2 + 2a2 + a3) = 0 Combine like terms: -4a + 4a = 0 (-8 + 0 + -2a2 + 2a2 + a3) = 0 (-8 + -2a2 + 2a2 + a3) = 0 Combine like terms: -2a2 + 2a2 = 0 (-8 + 0 + a3) = 0 (-8 + a3) = 0 Solving -8 + a3 = 0 Solving for variable 'a'. Move all terms containing a to the left, all other terms to the right. Add '8' to each side of the equation. -8 + 8 + a3 = 0 + 8 Combine like terms: -8 + 8 = 0 0 + a3 = 0 + 8 a3 = 0 + 8 Combine like terms: 0 + 8 = 8 a3 = 8 Simplifying a3 = 8 Reorder the terms: -8 + a3 = 8 + -8 Combine like terms: 8 + -8 = 0 -8 + a3 = 0 The solution to this equation could not be determined.
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