Question

(a+8b)(a-8b),Expand the given equation.

Answer 1

hey here is ur answer

(a+8b)(a-8b) = a^2 - (8b)^2
= a^2 - 64b^2

I hope this helps u

Answer 2

By using Identity III i.e. ( a + b ) ( a - b ) = a² - b²

(a+8b)(a-8b)

= a² - ( 8b )²

= a² - 64b²