Question

Pls see question 2. Pls help. Now it's clear

Answer 1

Answer:

Step-by-step explanation:

√814-8√2163+15√325+√225

=√814 - 8√2163 +75√13 + 15

taking square root of the number in under root

=28.53-8*46.50+75*3.60+15

=28.53-372+270+15

=313.53-372

= -58.47