Question

descubra quais São as raízes da equação?

Answer 1

x^2+2/3x+1/9-4/25=0
x^2+2/3x-11/225=0

delta = b^2-4.a.c
(2/3)^2 - 4. 1 . (-11/225)
delta = 144/225
raiz de delta = 12/15

terminando bháskara
-2/3 + ou - 12/15
x': -22/15
x'': 2/15