Question

How do i factor
x^2-225?

Answer 1

Look for the square root of 225

Answer 2

I posted it on your previous question

Answer 3

15?

Answer 4

(x-1)(x+1)=x^2+x-x-1=x^2 -1

and yes it is 15... use this same concept

Answer 5

√225=15

Answer 6

so (x+15)(x-15)?

Answer 7

yup

Answer 8

49x^2-25? Do i get two factors of -25 and equal 49 when added? or?

Answer 9

that* instead of and

Answer 10

here you could use the box method I drew on the other question you had of (x-2)(x+6)

Answer 11

i dont like that method lol.

Answer 12

lol, ok lets see what we can do

Answer 13

just tell me what to do. dont give me the answer though

Answer 14

also, known as a difference of squares