Answers

2016-07-25T21:06:11+08:00
X=-b+-^√b²-4ac all over2a
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2016-07-25T21:45:11+08:00
Example: X -b±√b²-4ac ---------------- 2a X²+12x+35 a=1,b=12,c=35 X=-12 ±√12²-4(1)(35) ----------------------- 2(1) X=-12√144-140 ----------------- 2 X=-12+2 x=-12-2 ------ ------- 2 2 X=-10 x=-14 ----- ----- 2 2 X=-5 x=-7
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