Question

16x^2 + (4y + 64)^2


Алгебра 7 класс
(^ - степень)

Answer 1

$16 {x}^{2} + {(4y + 64)}^{2} \\ 16 {x}^{2} + {(4y)}^{2} + 2 \times 4y \times 64 + {64}^{2} \\ 16 {x}^{2} + 16 {y}^{2} + 512y + 4096$