Respuesta :
Answer:
3(7x + 5y)
Step-by-step explanation:
the highest common factor for this equation is 3, as 21/3 = 7 and 15/3 = 5, and 5 and 7 have no more common factors:
thus - > 21x + 15y = 3(7x + 5y)
Answer:
3(7x + 5y)
Step-by-step explanation:
the highest common factor for this equation is 3, as 21/3 = 7 and 15/3 = 5, and 5 and 7 have no more common factors:
thus - > 21x + 15y = 3(7x + 5y)