binomial

[lament vigil]

<@&791435371564892232> sorry for the ping

[tender agate]

yk the formula?

[versed wave]

binomial expansion

7Cr (2x)^7-r * (-y)^r
7Cr (2)^(7-r)* x^(7-r) * (-y)^r
so 7-r=3

solve for r and sub it in

this is probs confusing but idk how to use latex mb

[lament vigil]

no