Question

1、8的x次幂=2的x+4次幂 则x=

Answer 1

8的x次幂=2的x+4次幂 则x= 2n^(^=2)+n-m(m+1) =n^+n-m^-m=(n+m)(n-m)+n-m=(n-m)(n+m+1)(y^-3y+2)(y^+3y-2)=y^(y+3)(y-3)(y^-(3y-2))(y^+(3y-2))=y^(y^-9)y^4（y的四次方）－（3y-2）^=y^4-9y^y^4-9y^-4+12y=y^4-9y^y...