averyyy8 averyyy8

24-04-2020
Mathematics

contestada

select the TWO binomials that will factor the expression: 9x^2-4
3x - 4
3x - 2
3x + 2
2x - 3

Respuesta :

devishri1977 devishri1977

24-04-2020

Answer:

Step-by-step explanation:

a² - b² = (a +b)(a - b)

9x² - 4 = 3²x² - 2²

= (3x)² - 2² {a = 3x; b = 2}

= (3x + 2)(3x - 2)

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