Question

2x(2−x)−14−(2−x2x)−1 при x=57.

Answer 1

Ответ:

$2 \times 57 \times ( - 55) - 14 - (2 - 6498) - 1$

$- 6270 - 14 - ( - 6496) - 1$

$- 6270 - 14 + 6496 - 1$

$= 211$

Answer 2

To evaluate the expression 2x(2−x)−14−(2−x2x)−1 at x = 57, we can substitute the value of x into the expression and perform the calculations step by step:

1. Substitute x = 57 into the expression: 2 * 57 * (2 - 57) - 14 - (2 - 57 * 2) - 1

2. Simplify the terms within parentheses: 2 * 57 * (-55) - 14 - (2 - 114) - 1

3. Perform the multiplications and subtractions: -6260 - 14 - (-112) - 1

4. Continue simplifying: -6246 + 112 - 1

5. Add and subtract: -6135

So, when x = 57, the value of the expression is -6135.