Question

x⁴-3x²-4=0 ayudaaaaa​

Answer 1

Explicación paso a paso:

$x {}^{2} (x {}^{2} + 1) - 4(x {}^{2} + 1) \\ (x {}^{2} + 1)(x {}^{2} - 4) \\ (x {}^{2} + 1)( x - 2)(x + 2)$