How do I find b in a question like this :) | Revision Server | Page 1

austere nest Feb 15, 2023, 10:49 PM

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<@&791435371564892232> would anyone be able to help with this :)

simple crown Feb 15, 2023, 10:59 PM

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x-1 being a factor means if you sub x=1 in the f(x) will be 0

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So sub 1 in set it to 0 and solve for b

austere nest Feb 15, 2023, 10:59 PM

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Ohh I was being a bit stupid and thinking I had to do the weird long division thing

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Tyy :)

honest coral Feb 15, 2023, 11:27 PM

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WAITT SORRY

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im year 10

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we havent done this yet but about to

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is there any advice you can give me on this?

brazen bear Feb 15, 2023, 11:39 PM

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Just know what the factor theorem is search it up

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It's like if x-1 is a factor then f(1) =0

honest coral Feb 15, 2023, 11:57 PM

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ahh okayy

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tysm

wheat kayak Feb 16, 2023, 12:36 AM

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@honest coral this also expands into simultaneous equations

#How do I find b in a question like this :)