Answer:
do the reverse of pie r squared
Step-by-step explanation:
Answer:
the answer is
9b²-3b
Step-by-step explanation:
9b-3
Answer:
A
Step-by-step explanation:
It just is
Simplifying this, we get:
(x+4)(x-4) = 0
Now, to get 0, we can replace x for one of these things to make 0, so:
x can either be 4, or -4
