What is the binomial expansion of (x + 2)4?

Use the binomial coefficients 1, 4, 6, 4, 1 and multiply by the corresponding powers of 2: (x + 2)⁴ = x⁴ + 4x³(2) + 6x²(2²) + 4x(2³) + 2⁴. Simplifying gives x⁴ + 8x³ + 24x² + 32x + 16, which is choice C.

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