anonymous
  • anonymous
Look at drawing... Multiply and simplify.
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
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anonymous
  • anonymous
|dw:1336407343381:dw|
jhonyy9
  • jhonyy9
how can you factoriz x^2 -4 and x^2 -1 ?
jhonyy9
  • jhonyy9
know you this :a^2 -b^2 =(a-b)(a+b)

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anonymous
  • anonymous
idk its just the question, and it doesn't say factorize, just multiply and simplify
jhonyy9
  • jhonyy9
yes i know but if you factoriz you will can easy simplify it
jhonyy9
  • jhonyy9
(x-2)(x+2) x+1 ---------- * ----- = (x-1)(x+1) x+2
jhonyy9
  • jhonyy9
can you continue ?
jhonyy9
  • jhonyy9
can you simplifie it now ?
anonymous
  • anonymous
no im stuck
jhonyy9
  • jhonyy9
because in numerator there is (x+2) and x+1 and these are in denominator too so hence you can simplifie these terms - yes ?
jhonyy9
  • jhonyy9
so after you will simplifie these terms what will remain there ?
jhonyy9
  • jhonyy9
x-2 ---- x-1 - these will remain - right ?

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