Math

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I am down to 5 out of 49 problems that I can't figure out. Help is very much appreciated. Thanks !

Factor by grouping

35x^3 -20 x^2 + 21x -12

  • Math -

    5x^2(7x -4) +3(7x -4) = (5x^2 +3)(7x -4)

  • Math -

    Thank you very much !

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