Question

multiply - 5 a3b4 x (3a-b)​

Answer 1

Answer:

$15a </p><p>3</p><p> b+12ab </p><p>3$

HOPE THIS HELPS.......

Answer 2

Answer:

$- 5a {}^{3} b {}^{4} (3a - b)$

$= - 5a {}^{4} b {}^{4} + 5a {}^{3} b {}^{5}$