Question

simplify (3p – 5q) (3p – 5q) this

Answer 1

Answer:

(3p -5q) (3p-5q)

(3p-5q)²

Now using the identity, (a-b)²= a²-2ab+b²

9p²-2*15pq + 25q²

9p²- 30pq + 25q²

here u go....hope it helps u

Answer 2

Answer:

9p²+25q²-30pq

Step-by-step explanation:

Here you can consider both terms as (3p-5q)² . Then simply expand using (a-b)² identity = a²+b²-2ab