[tex]9 {r}^{2} + r – 8[/tex]

Let’s solve into factors:

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[tex]9 {r}^{2} + r – 8[/tex]

Let’s solve into factors:

[tex]9 {r}^{2} + r – 8[/tex]

Let’s solve into factors:

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Answer:(9r-8)(r+1)

Step-by-step explanation:9r² + r – 8

= 9r² + 9r – 8r – 8

= 9r (r+1) – 8 (r+1)

= (9r-8)(r+1)