Answer:
x=-6 is an extraneous solution
Step-by-step explanation:
we have

squared both sides



solve the quadratic equation by graphing
The solution is x=-6 and x=-1
see the attached figure
<u><em>Verify each solution</em></u>
substitute the value of x in the original expression
For x=-6


----> is not true
so
Is an extraneous solution
For x=-1


----> is true
so
Is the solution
Answer: X=9
x^2 −2(x) (9)+9^2 =0
(X-9)^2=0
X-9=0
X=9
Answer:
-1.9
Step-by-step explanation:
I rounded it to the tenth
Answer: 0.036
Step-by-step explanation: