ANSWER QUESTIONS
Step-by-step explanation:
Answer:
Step-by-step explanation:
x^2-6=0
x^+6=0 ( add six to both sides)
x^2=6
x= the square root of 6 ( to get rid of the exponent you have to do the opposite....which is the square root)
x=2.44948974278
You may have to round if not given the exact number.
Answer:
huhhh i dont understand fully
Step-by-step explanation:

1) Substitution from definition.
2) We use 
3) We are changing the order of 3 and
.
4) We add 1 and 3
and we get 
5) Substitution from definition (but the other way than at the beginning).
Answer:
Step-by-step explanation:
43