You have to distribute the minus sign to the second parenthesis, changing the sign of every term:

Answer:
(x-12) (x+7)
Step-by-step explanation:
Answer:
The answer is D
Step-by-step explanation:
I wish i can explan but i got to go, piece
Answer:
is the logarithmic equation which is equivalent to
.
Step-by-step explanation:
According to the laws of logarithms
,where b=base ,n,x all are positive
It can be written in exponential form such as

Now in the given question x=9 ,b=3 and n=2 such that it will equals to

Hence the logarithmic equation for
is
.