C-05-Q083mediumsingle_mcqমূলদ্বয় 0,50, 50,5 হলে—ax2−5x=0x^2 - 5x = 0x2−5x=0bx2+5x=0x^2 + 5x = 0x2+5x=0cx(x−5)=5x(x-5) = 5x(x−5)=5dx2=5x^2 = 5x2=5