Question

Simplify
(3a+b)*3 +(3a-b)*3

Answer 1

We have,3a(4a-5)+3=3343-5+3   As a=3=912-5+3=97+3=63+3=66

Answer 2

$(3a+5b)3 - (3a-5b)3$

$9a + 15b - 9a - 15b$

All terms will be cancelled as they are having opposite signs.

Answer 0