Помогите пожалуйста.

[tex] {(m + 6)}^{2} = {m}^{2} + 12m + 36[/tex]

[tex] {(9x - \frac{1}{18} {y}^{4} )}^{2} = {81x}^{2} - x {y}^{4} + \frac{1}{324} {y}^{8} [/tex]

[tex] {(0.4a {b}^{2} - 0.7 {b}^{3} {c}^{4} ) }^{2} = 0.16 {a}^{2} {b}^{4} - 0.56a {b}^{5} {c}^{4} + 0.49 {b}^{6} {c}^{8} [/tex]

[tex] {( - 3a - 4b)}^{2} (3a - b) = 27 {a}^{3} + 63 {a}^{2} b + 24a {b}^{2} - 16 {b}^{3} [/tex]