Like Term Combine and distributive Property A).Find the Like Terms and combine them

1) 3x + 3xy + 4 y^2 + 10x +6 + 7xy – 4 y^2 -5

2) 6 + 8 a^2 + 10a –9b^2 -9a +11a + 8 b^2 - 11a +12 b^2 -4
+ 5a^2

B). Use Distributive Property to simplify the expressions

1).6(m+2) – 2(m-2)

2).2(4x+3) -5

3).3(y-3)+2y

4).7( Z-2) + 6(-Z+1) –10(6Z +8)