Question

Solve for x, given the equation Square root of x plus 9 − 4 = 1.

Answer 1

$\sqrt{x+9}-4=1 \\ \sqrt{x+9}=5$
x + 9 = 25
x = 25 - 9
x = 16
x + 9 ≥ 0
x ≥ - 9
Answer: 
A ) x = 16, solution is not extraneous.

Answer 2

Answer:

the answer is a

Step-by-step explanation:

x = 16, not extraneous