Question

0.7) Simply the following expression and then
find the numerical values for x=-2: 3(2x-4)+X2+5​

Answer 1

Answer:

-23

Step-by-step explanation:

$3(2x-4)+2x+5\\3(2(-2)-4)+2(-2)+5\\3(-4-4)-4+5\\3(-8)+1\\-24+1\\-23$

Answer 2

Answer:

-23

Step-by-step explanation:

3(2x-4)+2x+5

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

3(-4-4)-4+5

3(-8)+1

-24+1

-23