C-05-Q055mediumsingle_mcq32x−2−5⋅3x−2−66=03^{2x-2}-5\cdot 3^{x-2}-66=032x−2−5⋅3x−2−66=0-এর সমাধান কোনটি?ax=3x=3x=3bx=−3x=-3x=−3cx=27x=27