Answers

2015-07-18T19:46:13+08:00
Factors are (x+1) (x+3)......
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2015-07-19T01:31:11+08:00
Sum of roots: 1+3=4 } formula : -b/a = -4/1
product : 1·3=3 } formula: c/a= 3/1
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