Three students were given the expression shown to simplify

1-8(10x-3)​

-70x + 21

Step-by-step explanation:

1-8(10x-3)

-7(10x-3)

Use distributive property

-70x + 21

(This is how we learned to do it in my school)

80x-25

Step-by-step explanation:

first you distribute the 8 in to the parentheses:

8(10x-3) 8×10x=80x 8×3=24 1-80x-24

then you add the like terms:

24+1=25 80x-25

the forst and 3rd

step-by-step explanation:

answer4 to the second power is 16

and 4 to the third power is 64,