Answer:
[tex](4-¹)(2³-4-2) 4 - ¹ ) ( 2³ - 4-2 )[/tex]
[tex]4 {}^{ - 2} (2 {}^{3 } - 4 - 2)(2 {}^{3} - 4 - 2)[/tex]
[tex]4 {}^{ - 2} (2 {}^{3} - 4 - 2) {}^{2} [/tex]
[tex] \frac{1}{16} (8 - 4 - 2) {}^{2} [/tex]
[tex] \frac{1}{16} (4 - 2) {}^{2} [/tex]
[tex] \frac{1}{16} \times 4[/tex]
[tex] \frac{1}{4} [/tex]
