C1 binomials help needed

Hey guys, how do I Find the term independent of x in the expansion of (X² /2 - 2/x)⁹I got no idea what to do when X's are on both sided.

Sorry you've not had any responses about this. :frown:

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Spoiler

Hey guys, how do I Find the term independent of x in the expansion of (X² /2 - 2/x)⁹I got no idea what to do when X's are on both sided.

Take a value of X out so that you are left with (1+bx)^n and raise it to the power of the bracket, then use the equation 1+nx+n(n-1)/2 *(x)^2 etc.

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