Question

dada a funçoesm:f(x)=x²+2x+1 encontre os zero de f (x)

Answer 1

m:f(x)= x^2+2x+1
x^2+2x+1=0
delta=b^2-4.a.c
delta=2^2-4.1.1
delta=4-4
delta=0
x=-b-/+ raiz de delta/2a
x=-2-0/2.1
x=-2/2
x=-1