anonymous
  • anonymous
contentlaunch.ple.platoweb.com/players/HTML/ContentPlayer.aspx?&sessionid=rnid$304729232|uId$10423878|actId$1613691|uanrhid$0|ut$0|et$9001|asnid$4841364|ccdt$635854283474930802|uaid$33985105&uarid=0&prnid=304729229&RevertURL=https://learner.ple.platoweb.com/Index/LearningPath/33985105
Geometry
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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anonymous
  • anonymous
That link isn't going to work without giving out a username and password, so I suggest prt sc and copying/pasting to paint or similar so that we may view it.
anonymous
  • anonymous
\[\frac{ 2x }{ x ^{2}-6x+9 }+\frac{ 4 }{ x ^{2} +2x-15}\]
mathmale
  • mathmale
What are the instructions for this problem?

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anonymous
  • anonymous
Find the sum
mathmale
  • mathmale
Please factor each of the two denominators, so that we can identify and use the Lowest Common Denominator (LCD).
anonymous
  • anonymous
2(x3+4x2−15x+6)(x2+3)(x+5)(x−3)
mathmale
  • mathmale
I don't see how you got x3 (by which you mean "the cube of x," or x^3). Given:\[\frac{ 2x }{ x ^{2}-6x+9 }\]
mathmale
  • mathmale
please focus on the denominator (only). Factor the denominator (separate it into two binomial factors).
mathmale
  • mathmale
similarly, factor the denominator of the second rational function.
anonymous
  • anonymous
i dont know
mathmale
  • mathmale
Morris, have you any experience factoring trinomials? I'd bet you have. x^2 - 6x + 9 is called a "trinomial," because it has 3 terms. a + b is a "binomial," because it has 2 terms. I am asking you to factor the trinomial x^2 - 6x + 9 into its two binomial factors: x^2 - 6x + 9 = ( )( )
mathmale
  • mathmale
Hint: x^2 - 6x + 9 is a perfect square. What does that mean to you?

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