Step-by-step explanation:
(x-3)(x^2+2x+1)
=x^3-3x^2+2x^2-6x+x-3
=x^3+2x^2-3x^2-6x+x-3
=x^3-x^2-5x-3
___________
Answer:
The amount of increase per hour by $1.
Step-by-step explanation:
Julian charges $10 for every hour he walks a dog.
He increases his fee by 10%
Now we have to find 10% of $10
Amount increased =
So the amount increased by $1.
The amount of increase per hour by $1.
5/8=0.625
move the decimal two places to the right
62.5%
Answer:
Step-by-step explanation:
Given
Required
Find the length of the third side
Perimeter is calculated as thus:
This gives:
Collect like terms