Question

1. √18 − 2√20 + 6√2 =
2. 4√6m9n
3
5
÷ 2√3m4n
8
ayudaaa

Answer 1

Respuesta:

1

$\sqrt{18} - 2 \sqrt{20} + 6 \sqrt{2} \\ \sqrt{2 \times 9} - 2 \sqrt{4 \times 5} + 6 \sqrt{2} \\ 3 \sqrt{2} - 2 \times 2 \sqrt{5} + 6 \sqrt{2} \\ 3 \sqrt{2} + 6 \sqrt{2} - 4 \sqrt{5} \\ 9 \sqrt{2} - 4 \sqrt{5}$