anonymous
  • anonymous
can someone explain to me how to solve 5x^2-21x-20/5x^2-16x-16
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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anonymous
  • anonymous
factor: ((x-5)(5x+4))/((x-4)(5x+4)) cancel out 4x+4 (x-5)/(x-4)
anonymous
  • anonymous
*5x+4
anonymous
  • anonymous
I think you mean how to symplify or do the division.

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anonymous
  • anonymous
both?
anonymous
  • anonymous
Did you understand how to solve the problem? Can you do a similiar problem by yourself?
anonymous
  • anonymous
i can do problems such as : 4x+3/5 but when it becomesmore than that it becomes confusing
anonymous
  • anonymous
that was just an example
anonymous
  • anonymous
So if you have something like \[\frac{4x+3}{x+5}\] you have problems
anonymous
  • anonymous
i've never done a problem like that in my lessons, i've had things like x^2-15x+56/ x-7 or with more terms
dumbcow
  • dumbcow
practice factoring, if you are good at factoring those problems become easy

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