X2 - 16
(X - 4)(X + 4)
============
X2 + 16
===========not factorable in real numbers
Chat with our AI personalities
9 - x2 will factor into (3 - x)(3 + x)
x^2+6x-16 (x+2)+(6x-16) x+8+x-16 (x+8)(x-2) here you go :)
x2(x3 + 1) is the best you can do there.
x2-9x = x(x-9)
If you mean "factors", the two monomials have the common factor x2. Divide each factor by x2 to get the other factor.