Answer:
-2
Step-by-step explanation:
We have to multiply 10 and 
Here we have to distribute the negative sign.
Distributive property = -(a) = -a
Using the above property, we get
= 
Now we have to multiply 10 and 
= 10 × 
= 
= 
Now we have to divide -10 by 5.
= -2
Answer:
x = 5.4
Step-by-step explanation:
4/3 = 0.75
7.2*0.75 = 5.4
Should be 18x^4-12x.
Let me know if you want more of an explanation.