Question

x² + 3x+2=0 Con x=-2, X = 2, x=-1​

Answer 1

Explicación paso a paso:

x=-2

f(x)= (-2)² +3(-2) +2

f(x) = 4 - 6 +2

f(x) = 0

x= 2

f(x)= (2)² + 3(2)+2

f(x) = 4 +6 +2

f(x) = 12

x=-1

f(x)= (-1)² + 3(-1)+2

f(x) = 1 -3 +2

f(x) = 0