Question

Equações do 2° Grau
2x²-10x+8=0 ?

Answer 1

2x^2-10x+8=0
a=2
b=-10
c=8
delta=b^2-4.a.c
delta=-10^2-64
delta=100-64
delta=36
x1/2= -b±√delta/2×a
x1/2=-(-10)±√36/2×2
x1= 10+6/4
x1=16/4
x1=4
x2=10-6/4
x2=4/4
x2=1