I would help but I don’t know how to read it hope someone helps u out
Answer: The mistake is improper use of distribution property.
Step-by-step explanation:
It is given that
.
We need to find the mistake.
The given expression is

Using distribution property, we get


So,
.
In the given calculation the 3 is not distributed properly because 3 is not multiplied with 2.
Therefore, the mistake is improper use of distribution property.
Answer:
38
Step-by-step explanation:
9²+10² = 38
Answer:
-x^2-2xy-3x
Step-by-step explanation:
Answer:
A. 3:30.
Step-by-step explanation:
180 is 90+90 so that would put it in 3:30.