Question

((2a*2a)+9)((2a*2a)+5)

Answer 1

refer the attachment

Answer 2

$((2a \times 2a) + 9)((2a \times 2a) + 5)$

$((4 {a}^{2} ) + 9)(4 {a}^{2} + 5))$

$4 {a}^{2} (4 {a}^{2} + 5) +9 (4 {a}^{2} + 5)$

$16 {a}^{4} + 20 {a}^{2} + 36 {a}^{2} + 45$

$16 {a}^{4} + 56 {a}^{2} + 45$