Question

(2√2-4)^2 - (2√2-3) = Срочно

Answer 1

Ответ:

$(2 \sqrt{2} - 4) {}^{2} - (2 \sqrt{2} - 3) = 8 - 16 \sqrt{2} + 16 - 2 \sqrt{2} + 3 = 27 - 18 \sqrt{2}$

Answer 2

Ответ:

8-16√2+16-2√2+3

27-18√2

примерно равно 1,54416

Answer 3

Calculating the Expression (2√2-4)^2 - (2√2-3)

To calculate the given expression, we'll follow the order of operations, which is Parentheses, Exponents, Multiplication and Division (from left to right), and Addition and Subtraction (from left to right).

1. Solving the Expression: - The given expression is (2√2-4)^2 - (2√2-3).

2. Calculating the Values: - First, we'll calculate the values within the parentheses and then proceed with the exponentiation and subtraction.

3. Calculation Steps: - (2√2-4)^2 = (2√2-4) * (2√2-4) - (2√2-4)^2 = (2√2-4)(2√2-4) - (2√2-4)^2 = 4*2 - 8√2 - 8√2 + 16 - (2√2-4)^2 = 8 - 16√2 - 16√2 + 16 - (2√2-4)^2 = 24 - 32√2 + 16

- Now, we'll substitute this value back into the original expression: - (2√2-4)^2 - (2√2-3) = (24 - 32√2 + 16) - (2√2-3)

- Finally, we'll simplify the expression: - (24 - 32√2 + 16) - (2√2-3) = 40 - 32√2 - 2√2 + 3 - (24 - 32√2 + 16) - (2√2-3) = 43 - 34√2

4. Result: - The value of the expression (2√2-4)^2 - (2√2-3) is 43 - 34√2.