Gente, resolvam essas equações de 2° grau pra mim?! Agradeço!

a) y^2/6 - 5y/4 = 0

b) (5x-4)^2 = 9

c) (21x-7)^2 = 0

1
a) y^2/6 - 5y/4 = 0
(y)^+2.y.2/6+(2/6)^
y^+4y/6+4/36

b) (5x-4)^2 = 9
(5x)^+2.5x.4+(4)^
25x^+40x+16

c) (21x-7)^2 = 0
(21x)^+2.21x.7+(7)^
441x^+294x+49

Respostas

  • Usuário do Brainly
2014-08-30T04:14:00-03:00