Question

simplify
1. (5+√7)(2+√5)
2.(√11-√7)(√11+√7)​

Answer 1

Answer:

1. 10+5root5+2root7+root35
2. 72

plz mark as brainleast

Answer 2

Answer:

1.2 root 7+5 root5+root35+10

2.0

Step-by-step explanation:

1.(5+root 7)(2+root5)

5(2+root 5)+root7(2+root5)

10+5root5 +2root7+root35

5root5+2root7+root35+10

2.(root11-root7)(root11+root7)

root11(root11+root7)-root7(root11+root7)

11+root 77-root 77+-7

cancel +root 77,-root 77

11-7

=4