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March 25, 2017

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im stuck on factoring (x-1)(2x^3+13x^2+8x-35)
do i use synthetic division? if so what zero?
thnks.

  • Factoring- precalc - ,

    synthetic division would be an easy way to check for roots p/q where p divides 35 and q divides 2.

    Check for whole roots first: 1,5,7,35

    A little trial shows that
    2x^3+13x^2+8x-35 = (x+5)(2x^2+3x-7)

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