Question

factor m^4-1=0

Answer 1

(m+1) (m-1) (m^2-1)

Answer 2

nope thats wrong

Answer 3

(m+1) (m-1) (m^2+1)

Answer 4

shouldn't it be (m^2+1)^2

Answer 5

no because you dont get a negative one and that means the inner facorts dont cancel

Answer 6

that would give you
m^4+2m^2+1

Answer 7

no your right. I got it now. I don't know what I was thinking about. Thank you

Answer 8

It happens man. Just remember when you have a positive to an exponent it wont cancel.

Answer 9

Thanks again. Had a brain fart, I don't know why I was even having problems with this one. It was easy, just went blank. Thanks again!!