Question

Me ajudem plmds 5×elevado a 2+10×+5=0

Answer 1

5x²+10x+5=0  USAREMOS A FORMULA DE BHASKARA  

a=5,b=10,c=5

Δ=b²-4ac
Δ=10²-4.5.5
Δ=100-100
Δ=0

x=-b+-√Δ/2a

x=-10+-√0/2.5

x1=-10+1/10=-9/10
x2=-10-1/10=-11/10        S={-9/10 , -11/10}