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 (- \frac{1}{2})

Apply rule:

a (- b) = - ab

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

= - 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

= - 1

(4 x + 3) (2 x - 1)

(4 x + 3) (2 x - 5)

x^{2} - (y + z)^{2}

12 - 1

(2 a - 3)^{3}