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Mathematics 42 Online
OpenStudy (anonymous):

Which of the following is a factor of x2– 21x + 110? x + 11 x – 10 x – 5 None of the above

OpenStudy (anonymous):

i know how to factor i just cant get this one :\

OpenStudy (anonymous):

hint: One of them is (x-11)

OpenStudy (zepp):

Factor \(x^2– 21x + 110\) :D

OpenStudy (anonymous):

(x-11)(x+10) :D

OpenStudy (anonymous):

x-10*

OpenStudy (anonymous):

lets try that again....(x-11)(x-10) :D

OpenStudy (anonymous):

yes you are right.

OpenStudy (anonymous):

You are correct :)

OpenStudy (anonymous):

If you can't figure it out right away just try to factor it out completely

OpenStudy (anonymous):

Which one of thsoe is there?

OpenStudy (anonymous):

Find both

OpenStudy (anonymous):

cool thanks guys! :)

OpenStudy (anonymous):

You factored it correctly. \[x^2 - 21x + 110 \implies (x - 11)(x - 10)\]x - 10 is up there :)

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