Question

(9p-5p)²+180pq=(9p-5p) ​

Answer 1

Answer:

(9p-5p)²+180pq=(9p-5p)

16p

Answer 2

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$(9p−5q)² +180pq=(9p+5q)²$

LHS = $(9p)² - 2(9p)(5q) + 180pq$

= $81p² - 90pq + 25q² + 180pq²$

= $81p² + 90pq + 25q²$

RHS = $(9p + 5q)²$

= $(9p)² + 2(9p)(5q) + 5q²$

= $81p² + 90pq + 25q²$

LHS = RHS