Question

root 7 + 2 root 5 minus 2 root 5 + 6 root 7​

Answer 1

Step-by-step explanation:

7+2+5+2+5+6+7

9+7+18

18+18

36

Answer 2

Step-by-step explanation:

Given

= √7 +2√5 - 2√5 + 6√7

Here +2√5 and -2√5 will cancel out each other

and we will get

= √7 + 6√7

= 7√7

Hope this helps you