Factorise the following
4x2 - 8x + 4
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Answer:
4x2 – 8x + 4
= (2x)2 – 2 × 4x + 22
Using identity (x – y)2 = x2 – 2xy + y2
(2x)2 – 2 × 4x + 22 = (2x – 2)2
4x2 – 8x + 4 = (2x – 2)2
Answer: (2x – 2)2
Step-by-step explanation:
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