Answer:
[tex]3(x - 2) \times (x + 2) \times (x {}^{2} + 4[/tex]
Step-by-step explanation:
[tex]3x {}^{4} - 48[/tex]
Factor out 3 ⚂ from the expression
[tex]3(x {}^{4} - 16)[/tex]
[tex]using \: a {}^{2} - b {}^{2} = (a - b) \: (a + b)[/tex]
[tex]3(x {}^{2} - 4) \times(x {}^{2} + 4)[/tex]
[tex]3(x - 2) \times (x + 2) \times (x {}^{2} + 4)[/tex]