Question

Evaluate 3(x - 4) + 2x - x2 for x = 5.

Answer 1

3(5-4) + 2(5)- (5)2
3(1) + 10 - 10
3+ 10 - 10
13 - 10= 3

Answer 2

= - 12

Explanation:

Given that:

= 3(x - 4) + 2x - x2

Now put x=5

= 3(5 - 4) + 2(5) - (5)^2

= 3(1) + 10 - 25

= 13 - 25

= - 12

i hope it will help you!