Question

x^2-3x+2 alguém pfvvvvv

Answer 1

x² - 3x + 2 = 0


delta = b² - 4.a.c

a= 1
b= -3
c= 2


delta = (-3)² - 4.1.2
delta = 9 - 8
delta = 1


x = -b ± √delta/2.a

x = -(-3) ± √1/2.1

x = 3 ± 1/2

x = 3 - 1/2 = 2/2 = 1

x = 3 + 1/2 = 4/2 = 2


s={ 1, 2 }