Respuesta :

Answer: 2x√5

Step-by-step explanation:

Answer:

[tex] → \sqrt{10x} \times \sqrt{2x} \\ = \sqrt{20 {x}^{2} } \\ = \sqrt{2 \times 2 \times 5 \times x \times x} \\ = \boxed{2 \sqrt{5} x}✓[/tex]

(2√5)x is the right answer.