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PLEASE SOLVE WITH WORK!!! 50 POINTS!!!! x^4-19x^2+25
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PLEASE SOLVE WITH WORK!!! 50 POINTS!!!!
x^4-19x^2+25

User Pete Wilson
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1 Answer

3 votes


(x^2-3x-5)(x^2+3x-5)

============

See the steps:


  • x^4-19x^2+25=

  • x^4-10x^2+25-9x^2= Complete the square

  • (x^2-5)^2-(3x)^2= Difference of squares

  • (x^2-5-3x)(x^2-5+3x)= Rearrange

  • (x^2-3x-5)(x^2+3x-5) Answer
User Cesar Jr Rodriguez
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