Question

(2корень5-корень20) ×корень5

Answer 1

Объяснение:

$(2 \sqrt{5} - \sqrt{20}) \times 5$

$2 \times 5 - \sqrt{20 \times 5}$

$2 \times 5 - 10$

$0$

Answer 2

Ответ:

0

Объяснение:

(2 √‎5-√‎20)* √‎5=(2 √‎ 5-2 √‎5)* √‎5= 0* √‎5=0

√‎20= 2 √‎5

Answer 3

To simplify the expression, let's first simplify the terms inside the parentheses:

1. √5: This is the square root of 5, and it cannot be further simplified.
2. √20: This is the square root of 20, which can be simplified. √20 = √(4 * 5) = 2 * √5.

Now, we have:

(2√5 - √20) * √5

Substitute the simplified value for √20:

(2√5 - 2√5) * √5

Now, the √5 terms cancel each other out:

0 * √5 = 0

So, (2√5 - √20) * √5 simplifies to 0.