Question

plz solve it step by step​

Answer 1

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Answer 2

${(4 - p)}^{3} \\ = > {4}^{3} - {p}^{3} - 3 \times 4p(4 - p) \\ = > {4}^{3} - {p}^{3} - 12p(4 - p) \\ => 64 - {p}^{3} - 48p + 12 {p}^{2}$

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