Answer:
[tex] \boxed{ \bold{ \huge{ \boxed{ \sf{3x - 21}}}}}[/tex]
Step-by-step explanation:
[tex] \sf{3(x - 7)}[/tex]
Distribute 3 through the parentheses
[tex] \dashrightarrow{ \sf{3 \times x - 3 \times 7}}[/tex]
[tex] \dashrightarrow{ \sf{3x - 21}}[/tex]
Hope I helped!
Best regards! :D
