Answer:
The value of equation is 69 at x=3
Step-by-step explanation:
Given Equation:
[tex]7x^2+2x[/tex]
We have to find the value of the expression at x=3
Putting the value of 'x' in the given equation.
=[tex]7(3)^2+2(3)\\[/tex]
=[tex](7*9)+6\\63+6\\69[/tex]
The value of the above expression at x=3 is 69.
