Question

x^2-25

Answer 1

(x-5)(x+5)

Answer 2

x=-5 or 5

Answer 3

Make sure you guys help them to understand what they are doing and not just give answers. It is against the Code of Conduct and you can actually be banned for just giving answers. I'm just lettin' ya know, no biggie =0)

Answer 4

This fits the form a^2−b^2
Rewrite it where a=x and b=5
(x)^2−(5)^2

2 Apply this rule: \[{a}^{2}-{b}^{2}=(a+b)(a-b) \]
So... (x+5)(x−5)