Answer:
Factoring

Completing the square

For this case seems more complicated the option completing the square because we need to do more operations and we need to know algebra. By the other hand for the Factoring case we just need to find two numbers that satisfy the conditions required.
Step-by-step explanation:
Assuming the following expression:

Factoring
For this case we want to find two values that added would be 4 and multiplied would be 3. On this case these two values are 3 and 1 because 3+1=4 and 3*1 =3. So then we can factor the expression like this:

Completing the square
For this case if we want to complete the square we need to do this:

And if we simplify this we got:


For this case seems more complicated the option completing the square because we need to do more operations and we need to know algebra. By the other hand for the Factoring case we just need to find two numbers that satisfy the conditions required.
D i believe is the answer
Answer:
x-intercept of the graph of the function
is, 
Step-by-step explanation:
Given the function:
......[1]
x-intercept defined as the graph crosses the x-axis.
Substitute value of y = 0 in [1] and solve for x;
or
Take the inverse cotangent of both sides of the equation and solve for x;
3x = arccot (0)
We know the exact value of 
then;

Divide both sides by 3 we get;

Since, the cotangent function is positive in the first and third quadrants.
The period of the function
is
so values will repeat every
radians in both directions.
we have;

Therefore, the x-intercept of the graph of the function
is ;
for every integer n;
Answer:
38
Step-by-step explanation: