Answer:
(a - 12b)(a + 12b).
Step-by-step explanation:
a^2 - 144b^2
This is the difference of 2 squares identity:
a^2 - b^2 = (a - b)(a + b)
So for the given expression we have:
(a - 12b)(a + 12b).
- (as a is square root of a^2 and 12b is the square root of 144b^2.).