Explanation

Step 1: Understand the problem

The problem asks for the product of √-2 × √-2.

Step 2: Calculate the product

√-2 × √-2 = (√-1 × √2) × (√-1 × √2)

= (√-1)² × (√2)²

= i² × 2

= -1 × 2

= -2