nic71
nic71
18-07-2018
Mathematics
contestada
8x^2-x-9=(x+1)(?) missing factor
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choixongdong
choixongdong
18-07-2018
8x^2 - x - 9 = (x+1)(8x - 9)
Missing factor: (8x - 9)
Hope it helps
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baabaagreysheep
baabaagreysheep
18-07-2018
If you were to factorise 8x² - x - 9 using the factor (x + 1), your other factor would need to be (8x - 9). This is because when you expand
(x + 1)(8x - 9), you get 8x² - 9x + 8x - 9, which simplifies to 8x² - x - 9.
I hope this helps!
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