Saturday

December 20, 2014

December 20, 2014

Posted by **Alisha** on Monday, November 28, 2011 at 6:06pm.

1) 8x^3 + 27y^3

2) u^3 + 125v^3

- math- factoring -
**MathMate**, Monday, November 28, 2011 at 6:15pmNote that

1) 8x^3+27y^3 ≡ (2x)^3+(3y)^3

and apply the following identity:

a^3+b^3 = (a+b)(a^2-ab+b^2)

hint: substitute a=2x, b=3y

2) same strategy as the first.

**Answer this Question**

**Related Questions**

math- factoring - factor completely 1) 8x^3 + 27y^3 2) u^3 + 125v^3

factoring,math - can someone show me how to factor this: i keep getting -6 and 5...

polynomials - lol, i also have these Factor the polynomial x2 + 3x – 18. Which ...

factoring - Factor completely: 2x2 – 50 To indicate x squared, use this notation...

factor the trinomial by grouping - 15x^3-9x^2-6x Can someone please show me how ...

math,correction - can someone check these for me please.... problem#4 Directions...

factoring - I cannot figure these out.Can someone Factor completely: 3x2 - x - 4...

Math- factoring - Show all work and factor completely. 6a^2+5a-4 (6a^2+8a)-(3a-4...

College Algebra - Last one for today! Again would appreciate a breakdown on how...

Algebra - This is giving me a lot of trouble. Factoring Differences of Squares ...