Question

show than (9p-5q)^2+180pq= (9p+5q)^2

Answer 1

Answer:

can you plz check the question I think it is wrong

Answer 2

Answer:

Step-by-step explanation:

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

(9p)2- 2(9p)(5p) +(5p)2+180pq

81p2-90pq+25q2 +180pq

81p2 +(-90+180)pq+25q2

81p2+90pq +25q2

RHS=

(9p+5q)2

(9p)2+2(9p)(5q)+(5q)2

81p2+ 90pq+25q2

therefore, LHS=RHS