Moonlark
Moonlark Moonlark
  • 21-02-2019
  • Mathematics
contestada

Factor 4x^2 + 12x - 7 = 0

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konrad509
konrad509 konrad509
  • 21-02-2019

[tex]4x^2 + 12x - 7 = 0\\4x^2-2x+14x-7=0\\2x(2x-1)+7(2x-1)=0\\(2x+7)(2x-1)=0\\x=-\dfrac{7}{2} \vee x=\dfrac{1}{2}[/tex]

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