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  • 01-02-2018
  • Mathematics
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29) PLEASE HELP WITH QUESTION.

MARKING BRAINLIEST + POINTS GIVEN.

29 PLEASE HELP WITH QUESTION MARKING BRAINLIEST POINTS GIVEN class=

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Аноним Аноним
  • 01-02-2018
 [tex] x^{4} -32 x^{2} -144[/tex] will factor into the following
[tex]( x^{2} +4)( x^{2} -36)[/tex]
Set each factor equal to 0:
[tex] x^{2} +4=0 [/tex] or [tex] x^{2} -36=0[/tex]
[tex] x^{2} =-4[/tex]         [tex] x^{2} =36[/tex]
x = +/- 2i                         x = +/- 6

Answer: 2i, 6, -6
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