These are 3 questions and 3 answers.
Question 1.
Answer: bot equations have the same potential solutions, but equation A may have extraneous solutions
Step-by-step explanation:
1) Equation A

Replace x = -4 in the right side of the equation:

Which is not defined, so this is a extraneous solution.
2) Equation B.
Since it is a cube root, it is defined for any (negative, zero, and positive) values of x.
Question 2.
Answer: cubing both sides once.
Step-by-step explanation:

3) Question 3.
Answer: c - 2 = 25 + c + 10√c
Step-by-step explanation:
