Answers

2015-08-26T09:29:43+08:00
3 (-2x 5)
3 x -2x = -6x
3 x 5    = +15
So the answer will be

-6x 15 or -6x +15

4(3x -4)
4 x 3x =  +12x
4 x -4  = -16
So the answer will be

12x -16 or +12x -16
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