Question

помогите решить!хелп плизз

Answer 1

х²-5х+6=0
D= b²-4ac = 25-24 =1
x₁,₂ = -b⁺₋√D / 2a
x₁ = 5-1 / 2 = 2
x₂ = 5+1 / 2 = 3

Answer 2

D=25-4•1•6
D=1
X=5+1/2=3
X2=5-1/2=2