Answer:
7/5
Step-by-step explanation:
1 2/5, a mixed number, is equivalent to 7/5.
Answer:
x = 0, -4 and -3.
Step-by-step explanation:
The given expression is "3x to the power of 3 + 21x squared + 36x = 0".
We can write this expression as follows :

Taking 3x common.

x = 3

Hence, the solution of the given quadratic equation are x = 0, -4 and -3.
Step-by-step explanation:
Answer:

Step-by-step explanation:
Given

Required
Solve

Split:
and
Collect Like Terms
and 
and 
Combine

First she would drive 165 miles.
Now we minus the distance of both cities. 173-165=
8 more miles.