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  • 25-03-2020
  • Mathematics
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factorise 4x^2 - 1 please help

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devishri1977
devishri1977 devishri1977
  • 25-03-2020

Answer:

Step-by-step explanation:

a² - b² = (a+b)(a-b)

[tex]4x^{2}-1=2^{2}*x^{2}-1\\\\=(2x)^{2}-1^{2}\\\\=(2x+1)(2x-1)[/tex]

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