Question

Descompuneti in factori :x ^2- 25

Answer 1

$Formula: a^2-b^2=(a+b)(a-b) \\ \\ x^2-25=x^2-5^2=(x+5)(x-5)$

Answer 2

x^2-25=(x-5)(x+5)

Formula:
a^-b^2=(a-b)(a+b)