How many people went to the movies ? and which equation represents the scenario

Factor this polynomial completely x^2-64

The spring the owner of a sporting good store decreases the price of winter gloves from $10 to $8 each increases the price of swimming goggles from $8 to $10 without doing the math you think the percent decrease in the price of the gloves the same as the percent increase of the goggles explain why or why not

Can someone me with this problem . show your work .