Question

Lim (2x^3-5x^2+x-4) решение подробное x= -1

Answer 1

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Answer 2

To find the value of the expression (2x^3 - 5x^2 + x - 4) when x = -1, you simply substitute -1 for x in the expression and perform the calculations step by step. Here's the detailed solution:

Given expression: 2x^3 - 5x^2 + x - 4

Step 1: Substitute x with -1 in the expression 2(-1)^3 - 5(-1)^2 + (-1) - 4

Step 2: Calculate the exponents first 2(-1) - 5(1) - 1 - 4

Step 3: Perform the multiplications and additions -2 - 5 - 1 - 4

Step 4: Evaluate the expression -12

Therefore, when x = -1, the value of the expression (2x^3 - 5x^2 + x - 4) is -12.