Having problems with these 3

1.

x2-x-2x2-x-20

X

x2+x-6 x2+5x+4 Simplify

2.1=16

x-1 2x+3 (2x+3)(x-1) :Solve

3. Brad is (now) 3 years older than janet. Janet's age 2 years from now (future) will be 8/9 of brad's age 2 years from now. How old are they now?

Thanks for any help