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March 30, 2015

March 30, 2015

Posted by **Stephanie** on Thursday, September 25, 2008 at 9:01pm.

Show that x + 1 is NOT a factor of...

2x^3 + x^2 - 11x - 30.

Show that x - 3 IS a factor of 2x^3 - 11x^2 - 11x^2 + 12x + 9.

- ALGEBRA -- long division -
**Brandon**, Thursday, September 25, 2008 at 10:01pmJust do long division like you would for anything else. Look at the remainder in the quotient after you divide the divisor into the dividend.

- ALGEBRA -- long division -
**kostastyler**, Monday, October 13, 2008 at 5:15amP(-1) -2 +1 +11 +30

P(-1) =40

P(-1) Is not 0

so x+1 is not a factor the question.

P(3) 54 -99 -99 +36 + 9

P(3) =-99

x-3 is NOT a factor of the 2nd question.

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