Question

A)-4x²+2=+2

B)2x²=1
Ajuda pfv =)

Answer 1

A)-4x²+2=+2
- 4x^2 = 2-2
- 4x^2 =0 (-1)
4x^2= 0
X^2 = 0/4
X = 0

R.: x = 0
_____________

B)2x²=1
x^2 = 1/2
X = \/1/2

X = +/- \/(1/2)

R.: {\/(1/2) ; - \/(1/2)}