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

Difference of squares: A²-B²=(A+B)×(A-B)
h²-36=(h+6)×(h-6)