Expand and simply x(2x + 3) + 5( x - 7)
1 answer:
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Answer:
(1)
Step-by-step explanation:
We will try:
(1) y = x => 2 = 2 (seems legit)
(2) y = 4x => 2 = 32 (nope)
(3) y = x - 6 => 2 = 2 (yes but actually no because it is proportional relationship)
(4) y = x - 2 => 2 = 2 (like the above)
The cube of 20 can be written as 
. Split the 20 up into 2*10. Even though we are doing the cube of this value, first do 
and then do 
. Now multiply these numbers together so it is 8*1000=8000. Which is answer choice D. 8000