anonymous
  • anonymous
Simplify completely quantity 5 x squared minus 21 x minus 20 all over quantity 5 x squared minus 16 x minus 16
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
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aroub
  • aroub
5x^2-21x-20/5x^2-16x-16 ?
anonymous
  • anonymous
yes :)
aroub
  • aroub
Okay :) Well, all you have to do is factor and cancel.

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aroub
  • aroub
When you factor 5x^2-21x-20 it will become (x-5)(5x+4)
aroub
  • aroub
and when you factor 5x^2-16x-16 it will become (5x+4)(x-4)
anonymous
  • anonymous
so itll be x-5/x-4?
aroub
  • aroub
Yes!
anonymous
  • anonymous
can you help withSimplify completely quantity 2 x squared plus 13 x plus 20 all over x squared minus 5 x minus 36 @aroub
aroub
  • aroub
Yeah :)
aroub
  • aroub
2x^2+13x+20/x^2-5x-36 Same steps as before, lets factor! 2x^2+13x+20 = (2x+5)(x+4) x^2-5x-36 = (x-9)(x+4)
aroub
  • aroub
=> (2x+5)(x+4)/(x-9)(x+4) By cancelling, = 2x+5/x-9
anonymous
  • anonymous
2x+5/x-9?
aroub
  • aroub
=)
anonymous
  • anonymous
thank you!
aroub
  • aroub
No probleemmm!

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