What is 2\times (-1)/2 ?

The solution to 2\times (-1)/2 is -1

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simplify 2\times (-1)/2

simplify

2 \cdot \frac{- 1}{2}

- 1

Solution steps

2 \cdot \frac{- 1}{2}

Convert element to fraction:

2 = \frac{2}{1}

= \frac{2}{1} \cdot \frac{- 1}{2}

Cross-cancel common factor:

2

= \frac{- 1}{1}

Divide the numbers:

\frac{- 1}{1} = - 1

= - 1

2 \times \frac{1}{16}

(2 x + 3) (2 x + 1)

lo g_{6} (- 2)

\frac{9}{2 7 + 1}

5 \cdot 0. 1^{1} \cdot (0.9)^{4}