Answer:
x^2 + 2x + 1
Step-by-step explanation:
1. collect the like terms.
2. use the commutative property to reorder the terms.
Answer:
3710
Step-by-step explanation:
Answer:
Step-by-step explanation:
Given : The density of a certain solid is
kg/mm³.
To find : Convert this density into kilograms per cubic meter ?
Solution :
We know that,

or 
So, 

Converting
kg/mm³ into kg/m³,
Therefore,