Question

solve 5 sum please urgently​

Answer 1

Use identity:-

(a+b+c)² = a²+b²+c²+2ab+2bc+2ca

(p-4q+5r)² = p²+16q²+25r²-8pq-40qr+10rq

hope it helps you friend!

Answer 2

=(p-4q+5r) ²

=(p-4q+5r) (p-4q+5r)

=p²-8pq+10pr+16q²-40qr+25r²

Step-by-step explanation:

p²-8pq+10pr+16q²-40qr+25r² <------- is the answer

if you hope it helped you the pls mark my answer as brainliest