Answer:
When w = 8, w² - 4w - 2 = 30.
Step-by-step explanation:
w² - 4w - 2
Substitute value w = 8.
8² - 4(8) - 2
Square 8.
64 - 4(8) - 2
Multiply -4 and 8.
64 - 32 - 2
Subtract 32 from 64.
32 - 2
Subtract 2 from 32.
30.
[tex] = > {w}^{2} - 4w - 2[/tex]
[tex] = > {8}^{2} - 4(8) - 2[/tex]
[tex] = > 64 - 32 - 2[/tex]
[tex] = > 34[/tex]
