Question

3x+x²+1=1 me ajudem por favor

Answer 1

$3x + x^2 + 1 = 1 \\ \\ 3x + x^2 + 1 - 1 = 0 \\ \\ x^2+3x = 0$

Logo:

$x(x + 3) = 0 \\ \\ \\ x' = 0 \\ \\ \\ x'' = - 3$


S = {0, -3}