Question

ME AJUDEM PELO AMOR DE DEUSSSSSSSSSS​

Answer 1

x   2     1     x    2

0   x     4    0    x

2   0     1    2    0

det= x²+16+0-0-0+2x=19

x²+2x-3=0

x'=[-2+√(4+12)]/2=(-2+4)/2=1

x''=[-2-√(4+12)]/2=(-2-4)/2=-3

-3  e 1