Question

2(x2−1)=−3x es:
a. x=1/2 , x=2
b. x=−1/2, x=−2
c. x=−1/2, x=2
d. x=1/2 x=−2

Answer 1

2(x²−1) = −3x
2x² + 3x - 2 = 0
(2x + 1) (x - 2) = 0
x₁ =  -1/2
x₂ =  +2

R= C