Given:
[tex]3x^2+2x+5[/tex]
To Determine: The value of the expression when x = - 7
Solution
Substitute x = -7 into the expression
[tex]\begin{gathered} 3x^2+2x+5 \\ =3(-7)^2+2(-7)+5 \\ =3(49)-14+5 \\ =147-9 \\ =138 \end{gathered}[/tex]
Hence, the value of the expression is 138, OPTION A
