Question

Please solve this :)​

Answer 1

49

Explanation:

`36 - {5}^(2) + {7}^(2) - 11`

[P.E.D.M.A.S rule] (First exponents)

= 36 - 25 + 49 - 11. (Then addition)

= 36 + 49 - 25 - 11

= 85 - 36. (At last subtraction)

= 49 (Ans)

Answer 2

=25+2squared

Explanation:

simple like terms

36-11=25

-5squared+7squared=2squared

=25+2squared