[tex] {x}^{2} - 8x - 9 = 0[/tex]
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[tex] {x}^{2} - 8x - 9 = 0[/tex]
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Answer:
(x -9)(x +1) =0
Step-by-step explanation:
x² -8x -9 =0
(x -9)(x +1) =0
x² +x -9x -9 =0
x² -8x -9 =0