what are the factored forms of the following expressions?
d^2+18d+81
a) (d+9) (d-9)
b) (d+9)^2
c) (d-81) (d-1)
d) (d-9)^2
also if anyone knows the whole test thats helpful <3
1 answer
since 9 = 18/2, that makes B the answer