Simplyfy the given expression: (5p + 3q) (5p - 3q)
Show answer & explanation
Correct answer: B
Explanation
The correct answer is option 2 i.e. 25p² - 9q².
(a + b)(a - b) = a² - b²
Here,
a = 5p, b = 3q
So,
(5p + 3q)(5p - 3q) = (5p)² − (3q)²
= 25p² − 9q²