(x)n(x−1)8−n=x0(x)^{n}(x^{-1})^{8 - n} = x^{0}(x)n(x−1)8−n=x0
xn⋅x−8+n=x0⇒n−8+n=0x^{n} \cdot x^{-8 + n} = x^{0} \Rightarrow n - 8 + n = 0xn⋅x−8+n=x0⇒n−8+n=0
2n−8=0⇒n=42n - 8 = 0 \Rightarrow n = 42n−8=0⇒n=4
Constant term = 8C4(24)(34)=70×16×81{}^{8}C_{4}(2^{4})(3^{4}) = 70 \times 16 \times 818C4(24)(34)=70×16×81
= 907209072090720
