Activity 1: Use FOIL method to find the product of the following.
1. (x+2)(x+7)=
2. (r+4)(x+8)=
3. (x-2)(x-4)=
4. (x-5)(x+1)=
5. (3.r-1)(3x+1)=
6. (x+y)(x-y)=
7. (x2-6)(x2+6)=
8. (x-3) 2=
9. (3r-2)2=
10. (1+2x)(1+2x)=​