Question

b) - 2x2 - 9x + 1 = 0
a
b=
C =​

Answer 1

- 2x2 - 9x + 1 = 0

-4 - 9x + 1 = 0

-3 -9x = 0

-9x = 3

x = -1/3

De nada, tenha bons estudos!