Answer:
the third one
Step-by-step explanation:
-6x -(3x)
Pretend that there is a -1 in front of the bracket
-6x-1(3x)
mutiply the bracket by -1
(-1)(3x)= -3x
-6x-3x= -9x
Answer: -9x
Answer:
the answer is b bcz i think
Answer:
172 degrees
Step-by-step explanation: