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Answer :

XxWiseBoyxXgo

[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]

Yahweh00076go

Answer:

if c=4

then c2+5c-8

4*3+5*4-8

12+20-8

32-8

24.

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