jalenelzie318 jalenelzie318
  • 06-06-2016
  • Mathematics
contestada

Which shows one way to determine the factors of x3 + 5x2 – 6x – 30 by grouping?

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HomertheGenius
HomertheGenius HomertheGenius
  • 10-06-2016
[tex] x^{3} +5 x^{2} -6x-30= x^{2} (x+5)-6(x+5)=( x^{2} -6)(x+5)[/tex]
 [tex]=(x- \sqrt{6})(x+ \sqrt{6} ) (x+5) [/tex]
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kellybrown456 kellybrown456
  • 20-04-2020

Answer:

x(x2 + 5) – 6(x2 + 5)

Step-by-step explanation: because when u factor out you don't need to use the first number so you start with (x) and then you do multiplication

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