Answer:
x = 2
Step-by-step explanation:
x + 3 = √(4x + 17)
x² + 6x + 9 = 4x + 17
x² + 2x − 8 = 0
(x + 4) (x − 2) = 0
x = 2 or -4
Check for extraneous solutions.
2 + 3 = √(4(2) + 17)
-4 + 3 ≠ √(4(-4) + 17)
x = -4 is not a solution. So x = 2.
