Factorise using the identities — task. Maths CBSE Live product, Class 9 (2026-27).

Factorise the following expressions using identities:

1. \(4 + 4x + x^2\) \(=\)

{(i + i)}^{i}

2. \(4x^2 - 28x + 49\) \(=\)

{(i i + i)}^{i}

[Note: Enter numbers and variables in separate boxes. Also, insert minus '\((-)\)' if necessary.]

Did you find an error?

4. Factorise using the identities