Respuesta :
Answer:
21 x − 28
Step-by-step explanation:
Multiply using the distributive property.
7(3x-4)
multiply
7*3x=21x
7*-4=-28
put them together
21x-28
hope this helped :)
multiply
7*3x=21x
7*-4=-28
put them together
21x-28
hope this helped :)