Question

Me ajudem 2x²-5x+3=0

Answer 1

Δ = (-5)² - 4. 2. 3
Δ = 25 - 24
Δ = 1
x' = -(-5) + √1
            2.2
x' = 5 + 1
          4
x' = 6/4 ∴ x' = 3/2

x'' = -(-5) - √1
               4
x'' = 5 - 1
          4
x'' = 4/4   ∴ x'' = 1
S={3/2,1}