anomm anomm
  • 18-07-2016
  • Mathematics
contestada

i need help with this. please answer

i need help with this please answer class=

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dalendrk
dalendrk dalendrk
  • 18-07-2016
[tex]x^2-10x+21=0\\\\x=\dfrac{-10}{2}=-5\\\\Answer:\boxed{x=-5}[/tex]
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