Erik tried to evaluate 2 x 7,000 step by step.

What is the product of the radical expression. (7-2square root) (8+2 square root)

Any is very appreciated! (picture is provided below)not sure how to do this at all won't lie

Afamily of five rents a kayak and splits the total time, k, equally. each family member spent less than 25 minutes kayaking. which values can be used to complete the math sentence below so that it accurately represents the situation? intro done