Replace the variable with in the expression.

Simplify each term.

Raise to the power of .

Multiply by .

Multiply by .

Simplify by adding and subtracting.

Add and .

Subtract from .

The final answer is .

Evaluate f(-1)=2x^2-x-1

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# Evaluate f(-1)=2x^2-x-1

Replace the variable with in the expression.

Simplify each term.

Raise to the power of .

Multiply by .

Multiply by .

Simplify by adding and subtracting.

Add and .

Subtract from .

The final answer is .

Evaluate f(-1)=2x^2-x-1