How to turn this into expanded form, 9(x-4)(x+4)(x-5i)(x+5i)

You have a 32-foot fence around a square garden. there are 4 equal sections. you paint 13 of one section of the fence. what fraction of the fence did you paint? you have a 32-foot fence around a square garden. there are 4 equal sections. you paint 13 of one section of the fence. what fraction of the fence did you paint?

The length of a rectangle plus its width is 25 cm. the area is 156 square cm. what are the length and width of the rectangle? separate the answers with a comma.

An ulcer medication has 300 milligrams in 2 tablets. how many milligrams are in 3 tablets?