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Mathematics 81 Online
OpenStudy (anonymous):

Factor completely 4x5 – 20x4 – 36x3

OpenStudy (anonymous):

A. 4(x5 – 5x4 – 9x3) B.x3(4x2 – 20x – 36) C. x2 – 5x – 9 D.4x3(x2 – 5x – 9)

ganeshie8 (ganeshie8):

factoring out 4x^3 would be a good start point

ganeshie8 (ganeshie8):

hey just in case if u r still stuck..

ganeshie8 (ganeshie8):

4x5 – 20x4 – 36x3 = 4x^3(x^2-5x-9) can u factor the quadratic expression inside ?

OpenStudy (anonymous):

thats the answer i got. thanks for your help!

ganeshie8 (ganeshie8):

its not finished yet... did u factor the quadratic expression inside also ? bc question asks to factor it completely

OpenStudy (anonymous):

well for the muiltiple choice question that it is. it only factors out to a certain point with those answers. so it didnt get factored out completely.

ganeshie8 (ganeshie8):

ohhkk... :)

OpenStudy (anonymous):

mhm !

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