Answer:
63a + 6
Step-by-step explanation:
we have to first simplify this
(3a+6)(7a-2)
21a-6+42a+12
63a+6
Use FOIL method
(3a+ 6)(7a - 2) = 3a* 7a + (3a)*(-2) + 6*7a + 6*(-2)
= 21a² - 6a + 42a - 12 {Combine like terms}
= 21a² + 36a - 12
