C-05-Q033mediumsingle_mcqThe solution of 8x+9−2x+15=2x−6\sqrt{8x+9} - \sqrt{2x+15} = \sqrt{2x-6}8x+9−2x+15=2x−6 is —ax=5x = 5x=5bx=−5x = -5x=−5cx=3x = 3