luisrojas4 luisrojas4

04-02-2020
Mathematics

contestada

r^2+6r-27
factoring quadratics

Respuesta :

Аноним Аноним

04-02-2020

Answer:

(r + 9)(r - 3)

Step-by-step explanation:

r² + 6r - 27 =

= r² + 9r - 3r - 27

= r(r + 9) - 3(r + 9)

= (r + 9)(r - 3)

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