x2−12x+35=0x^{2}-12 x+35=0x2−12x+35=0
x2+12x+35=0x^{2}+12 x+35=0x2+12x+35=0
−5x2+7x+35=0-5 x^{2}+7 x+35=0−5x2+7x+35=0
9x2−5x−35=09 x^{2}-5 x-35=09x2−5x−35=0