Answer:
1) x = 4
2) a square root cannot be equal to a negative value
Step-by-step explanation:
1) add 1 to each side
2) square each side
(√2x + 1)² = 3²
2x + 1 = 9
2x = 8
x = 4
2) subtract 4 from each side
√2x + 1 ≠ -5
