Question

( 5a+6b)^2 (5a-6b)^2​

Answer 1

Answer:

(25a² - 36b²)²

Step-by-step explanation:

$( 5a+6b)^2 \ (5a-6b)^2$

[ (5a+6b) (5a-6b) ]²

Using (a - b)(a + b) = a² - b²

[(5a)²-(6b)²]²

(25a² - 36b²)²