Question

E)
3×elevado a 2-9×+6=0
fórmula de Bhascara​

Answer 1

delta=81-72

=9

x=(9+- -/9`)/6

x=(9+-3)/6

x'=(9+3)/6

x'=12/6

x'=2

x"=(9-3)/6

x"=6/6

x"=1