Answer:

Step-by-step explanation:
Using the Foil method
you multiply x times x and get
Then you multiply -4 times X and get -4x
Then you multiply -3 times X and get -3x
then you add -4 and -3 together and get -7x
Lastly you multiply -4 and -3 and get 12
And there you have it

Answer:
3.375
Step-by-step explanation:
(3/5)^3 / (2/5)^3 = 3.375
Answer:
5.29 units
Step-by-step explanation:
By Pythagoras theorem:

if u download photomath and take a picture of each problem it will give u a solution to each problem along with the steps of how they got that answer