Answers

2015-08-08T18:54:47+08:00
X-4=0
x=4

(x-3)(x+1)(x-1)=0
x-3=0
x=3
x+1=0
x=-1
x-1=0
x=1
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2015-08-09T13:49:18+08:00
 x-4
first u going to do is (x-3)(x+1) use FOIL METHOD and answer is x^2-2x-3,
second is (x-1)(x^2-2x-3) use distributive property and the answer is
x^3-2x^2-3x-x^2+2x+3=x^3-3x^2-x+3
0