Answer:
A
Step-by-step explanation:
√-2x - 5 = x + 4
(squared)
---> (√-2x - 5)² = (x + 4)²
---> -2x - 5 = x² + 8x + 16
---> 0 = x² + 8x + 2x + 16 + 5
---> 0 = x² + 10x + 21
---> (x + 7) (x + 3)
x = -7 or x = -3
conclusion : A. Both -7 or -3 are extraneous
