Question

Can someone help me to find the answer?

Questions:
Factorise completely 4-(x-1)²
please help me how to get the answer?:/​

Answer 1

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Answer 2

Explanation:

Given

4 - (x -1 ) ²

= 2² - ( x - 1) ² [ putting it into the formula a² - b² = (a+b) (a - b) ]

= ( 2 + x - 1) ( 2 - x + 1)

= ( x + 1 ) ( 3 - x)

Hope it will help :)❤