bestazalie bestazalie

25-03-2020
Mathematics

contestada

factorise 4x^2 - 1 please help

Respuesta :

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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