Answer:

Step-by-step explanation:
Given
, start by squaring both sides to work towards isolating
:

Recall
and
:

Isolate the radical:

Square both sides:

Expand using FOIL and
:

Move everything to one side to get a quadratic:

Solving using the quadratic formula:
A quadratic in
has real solutions
. In
, assign values:

Solving yields:

Only
works when plugged in the original equation. Therefore,
is extraneous and the only solution is 
Answer:
C..... I think it is a answer
Answer: Isolate the variable by dividing each side by factors that don't contain the variable.
Exact Form:
x
=
−
1
2
Decimal Form:
x
=
−
0.5
Step-by-step explanation:
Answer:
the answer should be 2 but it could be wrong
Answer:
true
Step-by-step explanation:
if its not a true or false than put the answer questions below