Question

me ajudem nessa x2-5+6=0

Answer 1

x²-5x+6= (x-3) (x-2)=0

x=3 ou x=2

Answer 2

Boa noite Gisele

x² - 5x + 6 = 0

delta
d² = 25 - 4*1*6 = 25 - 24 = 1
d = 1

x1 = (5 + 1)/2 = 6/2 = 3
x2 = (5 - 1)/2 = 4/2 = 2