Question

2(x − 4) + 3x − x² for x = 3

Answer 1

-2

Explanation:

2(x − 4) + 3x − x²

if x = 3 then all we have to do is plug 3 in the spot of x

2(3 - 4) + 3(3) - 3²

Now we simplify,

6 - 8 + 3(3) - 3²

-2 + 3(3) - 3²

-2 + 9 - 3²

-2 + 9 - 9

-2 + 0

-2