C-03-Q086mediumsingle_mcqIf x=−2x = -2x=−2, 27x3−54x2+36x−8=?27x^3 - 54x^2 + 36x - 8 = ?27x3−54x2+36x−8=?a−512-512−512b512512512c−216-216−216d216216216ব্যাখ্যাThe expression is the perfect cube (3x−2)3(3x-2)^3(3x−2)3. With x=−2x=-2x=−2, 3x−2=−83x-2=-83x−2=−8, so (−8)3=−512(-8)^3=-512(−8)3=−512.