Question

– 15х при х = 2; - 0,2

Answer 1

Решение:

- 15x

если x = 2, то - 15x = - 15 × 2 = - 30;

если x = - 0,2, то - 15x = - 15 × (- 0,2) = 0,3.

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Answer 2

Ответ:

-30, 3

Пошаговое объяснение:

1) -15 * 2 = -30

2) -15 * (-0,2) = 3

Answer 3

To evaluate the expression -15x when x = 2, we substitute the value of x into the expression:

-15x = -15(2)

Performing the multiplication:

-15(2) = -30

Therefore, when x = 2, the value of -15x is -30.

For the expression -0.2, no further evaluation is needed, as it is already in its simplified form. So, when no value of x is given, the expression -0.2 remains as -0.2.