Friday

October 31, 2014

October 31, 2014

Posted by **Ashley R** on Friday, September 13, 2013 at 11:29pm.

(please show step by step)

-8z^3 + 512w^3

- Math -
**Reiny**, Saturday, September 14, 2013 at 12:06amI see cubes all over the place, you should be familiar with the factors of A^3 + Bb^3 = (A+B)(A^2 - AB + B^2) and its equivalent of A^3 - B^3

-8z^3 + 512w^3

= -(8z^3 - 512w^3)

= - (5z - 8w)(25z^2 + 40wz + 64w^2)

**Answer this Question**

**Related Questions**

Physics - I'm trying to rearange this 0 = Xo + 2^-1 a t^2 for t I've been told ...

Polynomials - Can someone show me step by step how to get the sum diff and ...

Algebra 1--Step-by-Step - Can someone show me how to solve these step-by-step? ...

algebra - Can someone please show me how to solve this problem step by step ...

Quick math help - In which step below does a mistake first appear in simplifying...

Math - Can you please tell me step by step on how to do this problem. Factoring ...

math,factoring,help - Can someone please show me step by step how to do these. I...

Math (Algebra 2) - Factoring by Using a Quadratic Form Problem: x^4 + 8x^2 - 20 ...

Physics - Can someone please show me step by step how to normalize e^-5x in the ...

Algebra help - f(x)=x^3-4x^2-x+4 How do I find the x-intercept for this? This is...