popeye1 Δ= b²-4.a.c

Δ= 5²-4.1.(-36)
Δ= 25+144
Δ= 169

x= (-b±√Δ)/2.a                      x= (-5±√169)/2

x'= (-5+13)/2= 4
x''= (-5-13)/2= -9

Solução {4 e -9}

Forte abraço!

Miryork A= 1
b=5
c=-36
Delta= b2-4.a.c
Delta=(5)ao quadrado- 4.1.(-36)
Delta=25+144
Delta=169
x=-b+-√169/2.a
x=-5+-13/2
x,= 5+13/2
x,=18/2
x,=9
x,,=5-13/2
x,,=-8/2
x,,=-4
S={9,-4}