Question

If x= 3, what is the value of 4x2 - 7?

Answer 1

The answer would be 29.

Explanation: First we substitute 3 into the equation: 4(3^2)-7. Next we find what 3^2 is. 3^2 or 3x3 is equal to 9. The equation is now 4x9-7. 4x9 is 36 and 36-7=29.

Hope this helped.

Answer 2

D:29

Explanation:

4(3) ^2 - 7 =

6^2 -7 =

36 - 7 = 29

hope this helped!