Find the missing term — task. Maths CBSE Live product, Class 8 (2025-26).

Find the missing terms in the following simplication.

\((r + 2) (s + 9)\) \(= rs + 18\)

Answer:

The identity used is .

Answer variants:

2 s

9 r

9 s

2 r

The missing terms in the simplification are

and

Did you find an error?

3. Find the missing term