The numerical value of expressions
We are given the expression:
[tex]P=\frac{1}{2}x^2-10[/tex]It's required to find the value of the expression when x=6
Substituting:
[tex]P=\frac{1}{2}6^2-10[/tex]Since 6 squared is 36:
[tex]P=\frac{1}{2}36-10=18-10=8[/tex]The value is 8