I’ll mark brainliest or whatever

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

What sums are equal to 6/12? choose all answers that are correct a.6/12+6/12+6/12+6/12+6/12+6/12 b.2/12+1/12+1/12+2/12 c.5/12+1/12 d.1/12+1/12+1/12+3/12 plz : )

What is the product? a-3/15a × 5/a-3