Quais são as soluções de x2−5x+6=0x^{2} - 5x + 6 = 0x2−5x+6=0?
x2−5x+6=(x−2)(x−3)=0x^{2} - 5x + 6 = (x - 2)(x - 3) = 0x2−5x+6=(x−2)(x−3)=0, so x=2x = 2x=2 or x=3x = 3x=3