(i) 5xy + 7y – 5y2 – 7x
(ii) 5p2 – 8pq – 10p + 16q
Answer :
(i) 5xy – 7x – 5y2 + 7y
Take out common in all terms,
x(5y – 7) – y(5y – 7)
(5y – 7) (x – y)
(ii) 5p2 – 8pq – 10p + 16q
5p2 – 8pq – 10p + 16q
Take out common in all terms,
p(5p – 8q) – 2(5p – 8q)
(5p – 8q) (p – 2)
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