show that (5p-4q)^2+80p = (5p+4q)^2 step by step
Answers
Answered by
1
Answer:
(5p-4q)^2+80pq
=25p^2+16q^2-40pq+80pq
=25p^2+16q^2+40pq
=(5p)^2+(4q)^2+2*5p*4q
(5p+4q)^2
Similar questions