Question

2x^2 - x -2 , if x = -1​

Answer 1

Answer:

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Answer 2

Answer:

-3

Step-by-step explanation:

step 1

Calculate 1 to the power of 2 and get 1.

step 2

Multiply 2 and −1 to get −2.

step 3

The opposite of -1 is 1.

step 4

Add −2 and 1 to get -1.

step 5

Subtract 2 from −1 to get −3.

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