Question

Factor completely: x^2 - 25

Answer 1

you need to show work to corect ?

Answer 2

Write x^2 - 25 as x^2 - 5^2
Use the identity: a^2 - b^2 = (a+b)(a-b)

Answer 3

x^2-25, then x^2-5^2, your answer is : (x-5)(x+5)