What is the value of the expression below when x = 3?
2
7x - 3x - 6

48

Step-by-step explanation:

Given

7x² - 3x - 6 ← substitute x = 3 into the expression

= 7(3)² - 3(3) - 6

= 7(9) - 9 - 6

= 63 - 15

= 48

answer: just subtact the units and then add the non negative : happy to

step-by-step explanation:

really really sorry if i'm

-12 -5(x + 4) = 3x

-12 - 5x - 20 = 3x

-12 - 20 - 5x = 3x

-32 - 5x = 3x

    + 5x   + 5x

-32 = 8x

8         8

- 4= x