Question

Q.1 Factor the following using identities wherever necessary.
a) x square - 4x

Answer 1

Answer:

You can see the answer in adjoining pic.

Hope it helps...

Answer 2

Answer:

x² - 4x = (x - 2x)²

Step-by-step explanation:

x² - 4x = x² - 2x²          [ a² - b² = (a - b)² -- 3rd identity ]

x² - 2x² = (x - 2x)²

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