Question

factor.
$4v^2 - 25$

Explanation:

Step1: Recognize difference of squares

$4v^2 = (2v)^2$, $25 = 5^2$

Step2: Apply difference of squares formula

Use $a^2 - b^2 = (a-b)(a+b)$ with $a=2v$, $b=5$

Answer:

$(2v - 5)(2v + 5)$