I have been trying to factor this but I think it's prime? Thanks.
-
what adds to -29 and multiplies to 100
-25 and -4
since -25 + -4 = -29
& (-25)(-4) = 100
(r^2 - 25)(r^2-4)
which then is a difference of square:
(r-5)(r+5)(r-2)(r+2)
and yes, 29 is a prime number.
-25 and -4
since -25 + -4 = -29
& (-25)(-4) = 100
(r^2 - 25)(r^2-4)
which then is a difference of square:
(r-5)(r+5)(r-2)(r+2)
and yes, 29 is a prime number.