[tex]Given\: equation\: ➠ \:{c}^{2}\:+\:5c\:-\:8 [/tex]
[tex] Value\: of\: c \:=\: 4 [/tex]
Evaluating c = 4 in equation .
[tex]⟶\:{c}^{2}\:+\:5c\:-\:8 [/tex]
[tex]⟶\:{4}^{2}\:+\:5(4)\:-\:8 [/tex]
[tex]⟶\:16\:+\:20\:-\:8 [/tex]
[tex]⟶\:36\:-\:8[/tex]
[tex]⟶\:28[/tex]
