Question

9⋅(c−d)3 на обычном языке на математическом языке

Answer 1

$9 \times (c - d {)}^{3} = \\ \\ \\ 9 \times ( {c}^{3} - 3 {c}^{2} d + 3c {d}^{2} - {d}^{3} ) = \\ \\ \\ 9 {c}^{3} - 27 {c}^{2} d + 27c {d}^{2} - 9 {d}^{3} .$