Answer:
The simplified answer is -42x + 21.
Step-by-step explanation:
Distribute the -7. -42x + 21.
-42x + 21
All you have to do is distributive property and multiple -7 x 6x you’ll get -42x then you multiple -7 x 3 you’ll get positive 21 so you set it up and put -42x + 21
