Factorise using the identities — task. Mathematics CBSE, Class 9 New.

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Factorise the following expressions using identities:

1. \(36 + 12x + x^2\) \(=\)

{(i + i)}^{i}

2. \(4x^2 - 12x + 9\) \(=\)

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

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

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20. Factorise using the identities