Given:
The expression is:
[tex]3u^2-4u+7[/tex]Find-:
Evaluate the expression when u = -3
Explanation-:
The expression value is:
[tex]=3u^2-4u+7[/tex]Substitute the value of "u" is -3
The value is:
[tex]\begin{gathered} =3u^2-4u+7 \\ \\ =3(-3)^2-4(-3)+7 \\ \\ =3(9)+4(3)+7 \\ \\ =27+12+7 \\ \\ =27+19 \\ \\ =46 \end{gathered}[/tex]The value is 46.
