Replace for the given values to evaluate the expression.
[tex]\begin{gathered} j=3 \\ k=7 \\ 5jk-2k^2=5\cdot3\cdot7-2(7)^2=7 \end{gathered}[/tex]The first expression evaluated on the given values is 7.
[tex]\begin{gathered} j=\frac{3}{5} \\ k=1 \\ 5jk-2k^2=5\cdot\frac{3}{5}\cdot1-2(1)^2=1 \end{gathered}[/tex]The second expression evaluated on the given values is 1.
