fr0stdude fr0stdude
  • 03-03-2016
  • Mathematics
contestada

I need the quadratic formula.

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BRAINBELLA BRAINBELLA
  • 03-03-2016
ax²+bx+c=0
4a²x²+4abx+4ac=0
4a²x²+4abx=-4ac
4a²x²+4abx+b²=b²-4ac
(2ax+b)²=b²-4ac
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