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Flura [38]
3 years ago
13

Factorise 4x^2 - 1 please help

Mathematics
1 answer:
stealth61 [152]3 years ago
3 0

Answer:

Step-by-step explanation:

a² - b² = (a+b)(a-b)

4x^{2}-1=2^{2}*x^{2}-1\\\\=(2x)^{2}-1^{2}\\\\=(2x+1)(2x-1)

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