TBQ - Expand the expression in two ways — task. Maths CBSE Live product, Class 8 (2026-27).

Expand the following using both the identity of square of the difference of two numbers and by applying the distributive property.

\((-3b + 9)^{2}\)

Answer:

The identity used to expand the given expression is:

{(i i i)}^{i} = i^{i} - i i + i^{i}

If we expand the given expression using the distributive property, we apply:

Therefore, \((-3b + 9)^{2}\) \(=\)

i i^{i} - i i + i

Did you find an error?

9. TBQ - Expand the expression in two ways