Question

MEDAL!!!!!!

Factor completely: x^2 – 25

Answer 1

do you know the identity a^2 - b^2 ?

Answer 2

we can simplify this...

So you have x^2-25, what two things multiplied together give you this?

Here is a hint:

(x+#)(x-#)

# is the same number for both and when multiplied together you get -25 :)

Answer 3

5?

Answer 4

Right on :)