Find coefficient "a" of term ax^6y^2 in expansion of binomial (x - 2y)^8

[Schan77sf]

Find the coefficient a of the term in the expansion of the binomial.
Binomial: (x-2y)^8
Term: ax^6y^2
a= ?

 

[Deleted member 4993]

Find the coefficient a of the term in the expansion of the binomial.
Binomial: (x-2y)^8
Term: ax^6y^2
a= ?

What are your thoughts?

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[stapel]

Find the coefficient a of the term in the expansion of the binomial.
Binomial: (x-2y)^8
Term: ax^6y^2
a= ?

Try using the formula they gave you. From the powers on the variables, which term must they be doing? Plug that info into the formula, and simplify.