Bantu jawb pke Cara ya

[tex] {(3a + 4)}^{2} = {(3a + 2)}^{2} + {(a + 4)}^{2} \\ 9 {a}^{2} + 24a + 16 = 9 {a}^{2} + 12a + 4 + {a}^{2} + 8a + 16 \\ {a}^{2} - 4a + 4 = 0 \\ {(a - 2)}^{2} = 0 \\ a = 2[/tex]