Question

2xao quadrado + 7x+6=0

Answer 1

2x² + 7x + 6 = 0

Δ = b² -4ac
Δ = (7)² - 4.(2).(6)
Δ = 49 - 48
Δ = 1

x' = -7 + 1/4
x' = -6/4
x' = -3/2

x" = -7 - 1/4
x" = -8/4
x" = -2