What is the value of 7x^2 + 3x + 4 when x=2?

38

Step-by-step explanation:

To find the value of 7x^2 + 3x + 4 when x=2. We have to plug in x. So plugging x in, we have

7 (2) ^2 + 3 (2) + 4

and this becomes

7 (4) + 6 + 4

or

8 (4) + 6

which is 38

38

Step-by-step explanation:

substitute the value of the variable into an equation, then simplify