Tuesday

September 16, 2014

September 16, 2014

Posted by **Joe** on Tuesday, October 5, 2010 at 12:10am.

x^3 - 3x^2 -4x + 12= 0

I got the factors of 12 and i used 2.

(x+2) (x^2 + x + 12)=0

What do I do next?

- 12th grade -
**Joe**, Tuesday, October 5, 2010 at 12:13amI used synthetic division to get (x+2)(x^2 + x + 12)=0

- 12th grade -
**Leanna**, Tuesday, October 5, 2010 at 6:16pmFactor x^2+x+12 now

- 12th grade -
**Joe**, Tuesday, October 5, 2010 at 6:41pm(x+4)(x+3)=0

therefore, (x+2)(x+4)(x+3)=0?

x= -2, -4, -3?

- 12th grade -
**clayton**, Sunday, October 10, 2010 at 7:01pm(x+3)(x+5)

**Answer this Question**

**Related Questions**

Chemistry - Can somebody explain how to do this? I am stuck. I've tried solving ...

Chemistry - What is the pH of the solution created by combining 2.40 mL of the 0...

5th grade - Will someone tell me a webpage my daughter can get help on solving ...

algebra 1 - Got a test tomorrow... Say you have a system of equations (linear), ...

Math - Given a polynomial and one of its factors, find the remaining factors of ...

System of Linear Equations - A medical supply company has 1150 worker-hours for ...

Algebra -polynomial - Solve the polynomial 40x^2+2x-65 Notice that for x = 1 the...

solving polynomial equations - please help 3(n+1)=5(n-3) thank you

12th grade agebra 2 - find all real roots: x^4-6x^2+8=0 and the other polynomial...

mAth EQUATION/FRACTIONS - Solving equations with fractions can you check these? ...