Question

Me ajude por favor a=1,b = -3 e c = 2

Answer 1

Delta= b²-4.a.c
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

X1= 3+1 = 4/2 = 2
X2= 3-1 = 2/2 = 1