Question

2
$(2a - 4) {}^{2} = solved$

Answer 1

Hey user

Here is your answer :-

${(2a - 4)}^{2} \\ \\ = {(2a)}^{2} - 2(2a)(4) + {(4)}^{2} \\ \\ = 4 {a}^{2} - 16a + 16$

thank you.

Answer 2

Bonjour!

$= > {(2a - 4)}^{2} \\ \\ = > {(2a)}^{2} + {(4)}^{2} + 2(2a)(4) \\ \\ = > 4 {a}^{2} + 16 + 16a$

Identity used :- (a - b)² = a² + b² - 2ab

Hope this helps...:)