liyah517 liyah517
  • 12-06-2018
  • Mathematics
contestada

expand the expression (3x+7)(-2x-4)

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Аноним Аноним
  • 12-06-2018
If you want to expand it, here it is: -6x^2-12-14x-28, which is equal to -6x^2-26-28. Thank you so much to the person that corrected me! Hope this helped! A brainliest is always appreciated.
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Luv2Teach
Luv2Teach Luv2Teach
  • 12-06-2018
Expand by FOILing.  Doing that gives you [tex]-6 x^{2} -12x-14x-28[/tex], which, when simplified, is [tex]-6 x^{2} -26x-28[/tex].  An equivalent way to represent this is to change all the signs so the leading coefficient is not negative.  [tex]6 x^{2} +26x+28[/tex]
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