The given polynomial is:
[tex]x^2-2x-5[/tex]
a) When x=0, the value of the polynomial is:
[tex]\begin{gathered} 0^2-2*0-5 \\ =-5 \end{gathered}[/tex]
b) When x=-1, the value of the polynomial is:
[tex]\begin{gathered} (-1)^2-2(-1)-5 \\ =1+2-5 \\ =-2 \end{gathered}[/tex]
