singularity7725 singularity7725
  • 10-09-2018
  • Mathematics
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Use the grouping method to factor 4x3+20x2-3x-15

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tramserran
tramserran tramserran
  • 10-09-2018

   4x³ + 20x²    -3x - 15

4x²(x + 5)        -3(x + 5)

= (4x² - 3) (x + 5)

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