What is the distance between 20 and -20?

the answer is 40

Step-by-step explanation:

20 to -20 is 40

step-by-step explanation:

first, eliminate the parenthesis:

3

x

+

2

−

4

x

second, group like terms:

3

x

−

4

x

+

2

third, combine like terms:

(

3

−

4

)

x

+

2

→

−

1

x

+

2

→

−

x

+

2

80x^8−68x^6+16^5−20x^4−4x^3+8x^2

hope i'm right lol