The GCF is a.
The GCF is 9a.
The GCF is 3.
5a4 + 3a3 + 2a2
9a-99 = -90
It is the same as: 9a -4a = 5a
It is: 9a-a-a = 7a
If: 9a = 18b Then: a = 2b
9a - 8a = a
9a verbal expression
9a squared = 81a^2
There is nothing you can do to 9a + 5 without knowing the value of a.
9a+21 3(3a+7)