# Math

Simplify the variable expression:
1. (13)(-x)

2. (-4)(-x)^3(x)(-1/8)

I'm not sure about number 2. Thanks

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1. If your expresion mean :

( - 4 ) * ( - x ) ^ 3 * x * ( - 1 / 8 )

then :

( - 4 ) * ( - x ) ^ 3 * x * ( - 1 / 8 ) =

- 4 * ( - 1 / 8 ) * ( - x ^ 4 ) =

( 1 / 2 ) * ( - x ^ 4 ) =

- x ^ 4 / 2

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