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Select one of the factors of 2x^2 + 16x – 18 x + 9 x + 1 x – 2 x – 8

Mathematics
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U know Factor Theorem?
No I don't.
If a polynomial f(x) is divided by (x-a) then (x-a) is a factor of f(x) if f(a)=0

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Other answers:

Does it help?
so as per factor therom you get x+1.
Nope... not x+1
It is x+9
I don't see how the factor theorem can help with this question (x^2 + 7x – 44) though?
Did u get for 2x^2 + 16x – 18
I got it but i'm not sure exactly how you worked it out i tried and got stuck
f(x)=2x^2+16x-18 Now, U need to try for every options for which u will get f(a)=0 when it is divided by (x-a)
In this case, When f(x) is divided by (x+9), f(-9)=2*(-9)^2+16*(-9)-18=0
So, one of the factor of f(x) is (x+9)
OK that makes sense.
Now, can u do these type of problems?
I think so thank you.
welcome

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