Math, asked by bhavishikha4675, 4 months ago

Show that (9p - 5q) + 180 pq =(9p + 5q) *2 using identity evaluate (1) 71^2

Answers

Answered by punit599119

0

Answer:

(9p-5q)+180pq=(9p+5q)*2

9p-5q+180pq=18p+10q

180pq=18p+10q-9p+5q

180pq=9p+15q

180pq=3(3p+5q)

60pq=3p+5q

3p+5q-60pq=0

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