Where is this so called table, its helpful with the question
Division of a fraction is the equivalent of multiplying by its reciprocal
ex.

i suggest you try to remember this concept
in terms of your question
from this point, just multiple the numerators together and denominators together, then simplify if necessary
fyi- difference of squares

relating that to

also a side note, you might want to factor out the 4 first in the top fraction
If the brackets need to be a square term of the form (x+h)^2
then
just half the co-efficient of x term and square it.
So here it will be
(-6)/2 = -3
squaring it, (-3)^2 = 9
so 9 is what goes in the blank to make the bracket () of the form (x+h)^2
C. 0.4 times 6 is 2.4. Hope that helps.