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How do you simplify $2 a \cdot - a$ $2a * -a$ ?

1 Answer

Apr 27, 2016

If positive value multiplies the negative, the result will give you negative.

Since a $\times$ $xx$ a = $a^{2}$ $a^2$ ,

so $2 a \times - a$ $2a xx -a$ = $- 2 a^{2}$ $-2a^2$ .

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