factoring 4 terms polynomials | Mathematics | Page 1

kindred bay Aug 3, 2023, 12:01 PM

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hi trying to do some past papers here, how do i factor this? i tried doing grouping to find a GCF but that didn’t work. (it’s the one i circled in pencil)

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the actual problem is a limit so i think i have to get (x - 1) i just dont know how

tawny marlin Aug 3, 2023, 5:02 PM

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https://www.khanacademy.org/math/algebra-home/alg-polynomials/alg-long-division-of-polynomials/v/dividing-polynomials-1

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thorn topaz Aug 3, 2023, 7:35 PM

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kindred bay hi trying to do some past papers here, how do i factor this? i tried doing group...

The polynomial has 1 as an obvious root, so you can factor it and use Euclidean division or identification to determine the polynomial that rests

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Basically your polynomial P :
P(X)=(X-1)Q(X)with Q(X)=aX^2+bX+c

#factoring 4 terms polynomials