tashton045 tashton045

13-11-2020
Mathematics

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Find one root of the following equation x2 + 8x - 9 = 0

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hernandezerc175 hernandezerc175

13-11-2020

Answer: was just for a challenge

Step-by-step explanation:

no

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Аноним Аноним

13-11-2020

Step-by-step explanation:

[tex]x {}^{2} + 8x - 9 = 0 \\ {x}^{2} - x + 9x - 9 = 0 \\ x(x - 1) + 9(x - 1) = 0 \\ (x + 9)(x - 1) = 0 \\ x = 1 \: and \: \: \: \: - 9[/tex]

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