Which expression is equivalent to 36x2 − 25? (18x)2 + (−5)2 (18x)2 − (5)2 (6x)2 + (−5)2 (6x)2 − (5)2

The correct answer is last option (6x)² - (5)²

Step-by-step explanation:

It is given an expression in variable x,

36x² - 25

To find the equivalent expression of  36x² - 25

We have, 36 = (±6)²  and 25 = (±5)²

36x² - 25 can be written as,

36x² - 25 = (±6x)² - (±5)²

From the given options we get the correct answer is last option

(6x)² - (5)²