DavaneeZ335567 DavaneeZ335567

30-10-2022
Mathematics

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factor the following trinomial: x^2+8x-9

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ZayvenY374960 ZayvenY374960

30-10-2022

Given expression is:

[tex]x^2+8x-9[/tex]

Factorising it:

[tex]\begin{gathered} x^2+8x-9 \\ \Rightarrow x^2+9x-x-9 \\ \Rightarrow x(x+9)-1(x+9) \\ \Rightarrow(x+9)(x-1) \end{gathered}[/tex]

So the factor of given expression is: (x+9)(x-1).

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