Question

determine as raizes da funçao y=3x²-3

Answer 1

$y = 3x^2 - 3 \\ y = 0 \\ \\ 3x^2 - 3 = 0 \\ 3x^2 = 3 \\ x^2 = \frac{3}{3} \\ x^2 = 1 \\ x = \sqrt{1} \\ \\ x = \pm1$