Question

soma e produto de 5x²-3x-2=0

Answer 1

→ Soma e produto

5x² -3x -2 = 0

x' + x'' = 3/5

x' * x'' = -2/5

{1 , -2/5}

Answer 2

5x²-3x-2=0
5x²+ 2x-5x-2=0
x × (5x+2)-5x-2=0
(5x+2) × (x-1) = 0
5x+2= 0
x-1= 0
x= - 2/5
x - 1 = 0
x = 1
x=1, -2/5

espero ter te ajudado