Question

qaul a reposta para a=1,b=3 e c=2

Answer 1

x²+3x+2=0 /// A=1, B=3, C=2

Δ=3² - 4.1.2
Δ=9-8
Δ=1

x'= $\frac{-3+1}{2}$ = $\frac{-2}{2}$ = -1
x''= $\frac{-3-1}{2}$ = $\frac{-4}{2}$ = -2