Question

(root7-root5)(rooot7+root5)-(root2)square

Answer 1

Answer:

answer is 0

Step-by-step explanation:

(√7-√5)(√7+√5)-√2^2

(√7^2-√5^2)-2 [(a-b)(a+b)=a^2-b^2]

(7-5)-2

2-2

=0