danielkabeta danielkabeta

30-05-2021
Mathematics

contestada

x²-9y²
can someone assist plz

Respuesta :

Аноним Аноним

30-05-2021

Answer:

[tex] {x}^{2} - 9 {y}^{2} \\ = {x}^{2} - {3}^{2} {y}^{2} \\ = {x}^{2} - {(3y)}^{2} \\ = (x - 3y)(x + 3y)[/tex]

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