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Question Number 196957 by otchereabdullai@gmail.com last updated on 04/Sep/23

Answered by dimentri last updated on 05/Sep/23

((9!)/(x! (9−x)!)) = 4(((7!)/((x−1)!(8−x)!))) ((72)/(x(9−x))) = 4 18= 9x−x^2 x^2 −9x+18=0 (x−6)(x−3)=0 x=6 or x=3

9!x!(9−x)!=4(7!(x−1)!(8−x)!)72x(9−x)=418=9x−x2x2−9x+18=0(x−6)(x−3)=0x=6orx=3

Commented by otchereabdullai@gmail.com last updated on 05/Sep/23

please can you add the steps in gettimg the ((72)/(x(9−x)))=4

pleasecanyouaddthestepsingettimgthe72x(9−x)=4

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