Crossword clues for X- --:X-ILetter before omicronY=XBasic linear expression with a hint to answering the five starred clues in this puzzleTOELast X of X-X-XTACMiddle X of X-X-XTICThe first X of a winning X-X-X comboCDLII x III x III x V x VTICOne of the X's in X-X-XMCCLXXV x X x VTICPart of X-X-XKEGLERX X X lover?DII(X x L) + (X ÷ V)CMLXIX x X x VONEDerivative with respect to "x" in f(x) = x + 10TICX-X-X partTICTACTOEENDINGX X XKISSESX X XTICStart of X-X-XXAVIERWhat the X-Men's Professor X's X stands forTENSX, X, XMCLXXIII x X x VHUNDREDX x XCCLX x V x VOCTUPLEDouble x double x doublePATRICKSTEWARTPlayer of X in "X-Men"ENL8 x 10 or 11 x 14: Abbr.DCCLXX x XAXIOMx + 0 = x, e.g.EXTRALARGEPIZZASItems in 18" x 18" x 1 3/4" boxesTENx in 5x = x^2 ÷ 2HAYMARKETCUBE3' x 3' x 3' bale for sale?MCLXCXVI x XSAMEDIFFERENCEx - y = x - yTERMSx and y in "x + y"MDLXXXXIX x XX x IIMLI(CCVI x V) + (VII x III)ARKVessel that measured 300 x 50 x 30 cubitsROOTOFALLEVILThe "x" in x^2 = 666CUBICLike the function f(x) = x^3THATSMYCUBERProud parent's comment when Junior calculates 2 x 2 x 2?MMLCCV x XZEROThe "x" in Euler's Identity: e^(i*pi) + 1 = xMDCCLX x XCLIXII x VIII + XI x VANONLike Mr. X, but not Malcolm XCEREBROProfessor X's mutant-finding device in "X-Men"MMDLCCLV x XAREA1/2 x base x height, for a triangleCEREBRODevice Professor X wears over his head in "X-Men"LOSERX-O-X line in tic-tac-toe, e.g.TWOx, in x = 5x - 8