Algebra Examples

$f (\frac{1}{2}) = 2 (\frac{1}{2}) - 16 (\frac{1}{2}) + 9$

Step 1

Simplify each term.

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Step 1.1

Cancel the common factor of $2$ .

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Step 1.1.1

Cancel the common factor.

$f (\frac{1}{2}) = 2 (\frac{1}{2}) - 16 (\frac{1}{2}) + 9$

Step 1.1.2

Rewrite the expression.

$f (\frac{1}{2}) = 1 - 16 (\frac{1}{2}) + 9$

Step 1.2

Cancel the common factor of $2$ .

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Step 1.2.1

Factor $2$ out of $- 16$ .

$f (\frac{1}{2}) = 1 + 2 (- 8) (\frac{1}{2}) + 9$

Step 1.2.2

Cancel the common factor.

$f (\frac{1}{2}) = 1 + 2 \cdot (- 8 (\frac{1}{2})) + 9$

Step 1.2.3

Rewrite the expression.

$f (\frac{1}{2}) = 1 - 8 + 9$

Step 2

Simplify by adding and subtracting.

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Step 2.1

Subtract $8$ from $1$ .

$f (\frac{1}{2}) = - 7 + 9$

Step 2.2

Add $- 7$ and $9$ .

$f (\frac{1}{2}) = 2$