Here is a picture and thank you

Explain step-by-step how to simplify -5(2x – 3y + 6z – 10).

Asocial networking site currently has 400,000 active members, and that figure is predicted to increase by 32% each year. the following expression represents the number of active members on the site after t years.

In the polynomial below, what number should replace the question mark to produce a difference of squares? x2 + ? x - 36