Question

Which binomial is a factor of h^2-36 ?

A. (h – 6)
B. (h – 36)
C. (h + 12)
D. (h + 36)
i think its C

Answer 1

h^2-36
factoring the above we shall have:
h^2-36
=h^2+0h-36
=h^2+6h-6h-36
=h(h+6)-6(h+6)
=(h-6)(h+6)
the factors are (h-6) and (h+6)
the answer is A