Sunday

January 25, 2015

January 25, 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.

**Answer this Question**

**Related Questions**

Calculus - Let f(x)=(2x^3-x^2+2x+1)/(x^2+1). What is the equation of the oblique...

Algebra - Factor find the zeros x^5-9x^3 Find the quotient and remainder using ...

algebra - what is the answer for x squared + 9 divided by -x-4?? a strange ...

algebra 2 - can someone please explain synthetic division to me? It's just a ...

Quadratic Long Division question? - How do i do this using long division? This ...

math - Show how to find the quotient 18 divided by (-6) by using the following: ...

Algebra - I am supposed to divide (x^3+6x^2-20) by x^2+2, using long division. I...

Quadratic - This is the question: "Find the values of b and c for which x^2+bx+c...

Math - Can someone explain this question to me? I don't understand it. Show how ...

Algebra 2 help please :) - What is a cubic polynomial function in standard form ...