Question

Evaluate 2x2 + 4 if x = 2

Answer 1

x = 12

Explanation:

insert 2 into the equation where x is.

2(2)2 + 4

so this is 2 * 2 * 2 + 4 = 12

Answer 2

2(x)2+4= 2x2x2+4= 12