The answer is B. In this case when you isolate the variable it just takes 2 steps. The others require more steps and tedious calculation.
Answer:
or x+3/x
Step-by-step explanation:
Using D.O.T.S (difference of two squares) formula :


Factorise the second bit:

Now write out this fraction:

Now we can cancel out repeated terms (x-3):

This is our final answer:

Answer:
The answer is
Step-by-step explanation: = a + 4 +a800000a7.54 10 2 2 2 4 1
Answer:
-210 degrees.
Step-by-step explanation:
That is 150 - 360
= -210 degrees.