Ask a New Question

Asked by Rayan

Please show me how to factor X^3 + 125
7 years ago

Answers

Answered by Reiny
in your repertoire of factoring techniques and formulas, you should have:
x^3 + y^3 = (x+y)(x^2 - xy + y^2)
and
x^3 - y^3 = (x-y)(x^2 + xy + y^2)

so ....

x^3 + 125
= x^3 + (5)^3
= (x+5)(.....)

let me know what you get
7 years ago

Related Questions

Factor by Grouping.please show me the steps!!!!!!! 1.) y2+11y+30 2.) x2+4x-5 3.) a2-a-56 Factor by Grouping. PLEASE SHOW ME THE STEPS! 1.) 8a^2+12ab-3b^2-2ab 2.) x^2+5x+7x+35 3.) Can you show me how to factor x-5x^2-6x^3, and why each step is done? I'm not sure how to factor som... Factor pls show me steps thank u! (X-1)(x+2)^2-(x-1)^2(x+2) Show that x + a is a factor of the polynomial P(x) = (x + a)^5 + (x + c)^5 + (a – c)^5. Plz help I c... factor 48y^2 + 82y - 70 Show me the steps and answer for this question. factor 4x^3+2x^2+2x and show work factor 4a+6 show how 4a+6 factor show me how Factor t^3 + 2t^2 - 3. Show your work
Ask a New Question
Archives Contact Us Privacy Policy Terms of Use