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Simplifying (x2 + -4x + 16)(x + 4) = 0 Reorder the terms: (16 + -4x + x2)(x + 4) = 0 Reorder the terms: (16 + -4x + x2)(4 + x) = 0 Multiply (16 + -4x + x2) * (4 + x) (16(4 + x) + -4x * (4 + x) + x2(4 + x)) = 0 ((4 * 16 + x * 16) + -4x * (4 + x) + x2(4 + x)) = 0 ((64 + 16x) + -4x * (4 + x) + x2(4 + x)) = 0 (64 + 16x + (4 * -4x + x * -4x) + x2(4 + x)) = 0 (64 + 16x + (-16x + -4x2) + x2(4 + x)) = 0 (64 + 16x + -16x + -4x2 + (4 * x2 + x * x2)) = 0 (64 + 16x + -16x + -4x2 + (4x2 + x3)) = 0 Combine like terms: 16x + -16x = 0 (64 + 0 + -4x2 + 4x2 + x3) = 0 (64 + -4x2 + 4x2 + x3) = 0 Combine like terms: -4x2 + 4x2 = 0 (64 + 0 + x3) = 0 (64 + x3) = 0 Solving 64 + x3 = 0 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-64' to each side of the equation. 64 + -64 + x3 = 0 + -64 Combine like terms: 64 + -64 = 0 0 + x3 = 0 + -64 x3 = 0 + -64 Combine like terms: 0 + -64 = -64 x3 = -64 Simplifying x3 = -64 Reorder the terms: 64 + x3 = -64 + 64 Combine like terms: -64 + 64 = 0 64 + x3 = 0 The solution to this equation could not be determined.
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