Solution is not extraneous, x=1 is correct answer
Step-by-step explanation:
We need to solve the equation
and find value of x.
Solving:

So. Value of x = 1
Now checking if solution is extraneous or not
Solution is extraneous if value of x doesn't satisfy the given equation.
Checking: putting x=1 in the equation 

Since x=1, verifies the given equation so, x=1 is not extraneous solution
Solution is not extraneous, x=1 is correct answer
Keywords: Solving equations and finding extraneous roots
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Answer:
-54 and 56
Step-by-step explanation:
An integar is only the number which has no decimals or fractions
It’s A because the formula for Rate is r=d/t
X^2 = 7^2 - 3^2
x = root40