Answers

2016-07-22T11:33:10+08:00
For example the QE is x^2-6x+8=0 The X^2 is the a, -6x is the b and the 8 is C. The sum of its roots is the B but it is -b/a so -(-6)/1 is 6 and the product of its roots is the C but it is C/a so 8/1 so it will be 8 Get It?
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