Question

I need help pls branniest

Answer 1

I have no idea but you need better wording

Answer 2

21√10

Explanation:

√3 x 7√30

= 7 √30 x 2

= 7√90

____________________________________________________________

Simplifying 7√90

7√90

= 7 √9 x √10

= 7 x 3 x √10

= 21 x √10

= 21√10