Question

Evaluate the expression when y=5.
y2 - 5y+3

Answer 1

`Given\:equation\:=\:{y}^(2)\:-\:5y\:+\:3`

value of y = 5

so now evaluating y = 5

`⟶\:{y}^(2)\:-\:5y\:+\:3`

`⟶\:{5}^(2)\:-\:5(5)\:+\:3`

`⟶\:25\:-\:25\:+\:3`

`⟶\:3`