find the value of w when t = 4, u = -3,
and v = -1.

Answer:
[tex] - 3 {t}^{2} + 2 {u}^{2} - 5 {v}^{2} \\ = > - 3 {(4)}^{2} + 2 {( - 3)}^{2} - 5 {( - 1)}^{2} \\ = - 35[/tex]