Ineed the answer to this question can u meh ?

Josephine has a great garden with and area of 2x2 + x - 6 square feet

If f(x)=2x-6 and g(x)=3x+9, find (f-g)(x)

Hector and alex traded video games. alex gave hector one fourth of his video games in exchange for 6 video games. then he sold 3 video games and gave 2 video games to his brother. alex ended up with 16 video games. how many video games did alex have when he started?