(2a+1)(a+1)
(2a - 3)(3a - 4)
-1a
3a-2a = 1
I guess you mean: 2a^2+6a Well in this case you take 2a out of the bracket and then you're left with a+3 inside. 2a(a+3a)
3a + (3b - 2a) + 5b =3a + 3b - 2a + 5b =(3a - 2a) + (3b + 5b) =a + 8b
3a + 2a = 5a
since a=1a, 3a-1a=2a
2a + 5a + 3a = 10a
a + a + a - 2a = 3a - 2a = a
2a - 5a = -3a
3a x 2a =24