Question

f(x)=x² +10x +25 zero da funçao

Answer 1

x^2+10x+25=0
delta=b^2-4.a.c
delta=10^2-4.1.25
delta=100-100
delta=0
x=-b-/+ raiz de delta / 2a
x=-10-0/2.1
x=10/2
x=5