Question

Equação x²/2+ 3= 5x/2

Answer 1

x^2/2+3=5x/2   mmc=2
x^2-5x+6=0
Δ=(-5)^2-4*1*6
Δ=25-24
Δ=1

x=-(-5)+-√1/2a
x1=5+1/2  x1=6/2 x1=3
x2=5-1/2  x2=4/2  x2=2
S={3,2}