Question

1)resolva as equações do 2° grau:

a)x^2+2(x+1)=5
b)2x(4x-2)-4=0
c)(6x+2)^2-16=0
d)(x+1)^2=x+7
e)9x+3(5x^2+4)=2(x+10)

ajuda pfv ,_,​

Answer 1

Resposta:

a) x' = -3, x" = 1

b) x' = -0,5, x" = 1

c) x' = -1, x" = 1/3

d) x' = -3, x" = 2

e) x' = -1, x" = 8/15