Question

Simplify
i} (2+√7) (5+√3)
ii} (3-√5) (5-√3)​

Answer 1

Answer:

1 10+7√21+√21

2 15-8√15+√15

Step-by-step explanation:

1. 10+2√3+5√7+√21

10+7√21+√21

2. 15-3√3-5√5+√15

or 15-8√15+√15