Question

What is 2√5 × 2√5 simplified?

Answer 1

$2 \sqrt{5 } \times 2 \sqrt{5} \\ = 4 \times 5 \\ = 20$

Answer 2

first simply multiply 2×2 now after that multiply root 5×root 5
u will get
4(root 5 ×root 5)
4×5
20
this will be your answer I hope this will help you