Answer:
C
Step-by-step explanation: hope this helps
Answer:



Step-by-step explanation:
Given


Solving (a): (s + t)(x)
This is calculated as:


Collect like terms


Solving (b): (s - t)(x)
This is calculated as:


Collect like terms


Solving (b): (s . t)(1)
First, we calculate (s.t)(x)
This is calculated as:

So, we have:

Substitute 1 for x



Answer:
c:
Step-by-step explanation:
3 I think is tree :) 3::::::::D
The greatest common factor of 14x-24 is 2. So it would be 7x - 12