Posted by Mike on Monday, January 31, 2011 at 6:40pm.
(Factoring a sum or difference of cubes) and (solving a polynomial equation).
- Math - Reiny, Monday, January 31, 2011 at 7:00pm
divide by 2
now you have a sum of cubes
x=-1 or x = (1 ± ?-3)/2 or (1 ± i?3)/2
- Math - MathMate, Monday, January 31, 2011 at 7:00pm
Factor the given equation into:
and use one of the identities:
to factor the given equation to linear and quadratic factors.
Hence solve the resulting linear and quadratic equations.
Answer this Question
More Related Questions
- Algebra - I have been doing sum of cubes and difference of cubes problems and I ...
- Algebra I - what does factoring the sum or difference of two cubes mean
- Math (factoring) - Can someone check my answer? 5x^3 - 40 =5(x^3-8) =5(x-2)(x^2+...
- Algebra - Which special case is represented by x^2-121? A. the difference of two...
- math - factor the polynomial completely. 125s to the third power + 1 This is the...
- Math - Some students might argue that if you know how to factor a sum of cubes, ...
- math - please help me simplify (x^3+8)/(x^4-16). thanks. The denominator is ...
- Alg 2 - x^6-y^6 fist look at as a difference of squares: (x^3)2 - (y^3)2 =(x^3...
- Algebra - Simplify (2xy^2+3)((2xy^2)^2-(2xy^2)(3)+(3)^2) This reminds me of (U+a...
- maths - Let's denote the three numbers by a1, a2, and a3. Consider the third ...