Question

resolver as equações do grau em r x2^+2x+x+2=0

Answer 1

x² + 2x + x + 2 = 0
x² +3x +2 = 0
A = 1 B = 3 C = 2

S= -b/a
S= -3/1
S= -3

P= c/a
P= 2/1
P= 2

S={-1,-3}