Friday

August 29, 2014

August 29, 2014

Posted by **Rachelle** on Thursday, December 4, 2008 at 6:24pm.

9x^3 + 9x = 30x^2

It's confusing because apparently I have to do 9x^3 + 9x and then add the + 30x^2 to it, and then make it equal 0, so it ends up like this:

9x^3 + 9x + 30x^2 = 0

And afterward, I would factor it. How do you factor it?

I'm having trouble factoring in general. =/

- Algebra: factoring -
**Count Iblis**, Thursday, December 4, 2008 at 7:26pm9x^3 + 9x + 30x^2 =

x [9 x^2 + 30 x + 9]

Then x = 0 or 9 x^2 + 30 x + 9 = 0

Divide by 3:

3 x^2 + 10 x + 3 = 0

(3 x + 1)(x + 3) = 0

x = -3 or x = -1/3

**Related Questions**

math, algebra - can someone correct this for me or help me. 6x^2y^3+ 9x^2y^3 ...

algebra urgently need help - I have been working on these 2 problems and I think...

algebra need help soon - I have been working on these 2 problems and I think I ...

algebra - factoring ax^2+bx+c 30x^-24x-54

Al - Factoring to solve quadratic equations: Find the value of x as it relates ...

algebra I need immediate help with this question T - The 2nd question has a ...

Grammar - If I have two transition words, do I need commas for both of them? ...

statistics - use technology to find the P-value for a right-tailed test with n=...

Algebra - Convert the simplified parabolic equation y=3x^2-30x-7 to standard ...

Algebra - (x+4)^2=18. (x+4)(x+4)-18= x^2+8x-2=0. (x )(x )I have no idea how to ...