How do you factor x cubed plus y cubed?

1 ⤊

2007-12-16 13:57:23 · 6 answers · asked by Anonymous in Science & Mathematics ➔ Mathematics

[10]
x^3+y^3
=(x+y)^3-3xy(x+y)
=(x+y){(x+y)^2-3xy)
=(x+y)(x^2+2xy+y^2-3xy)
=(x+y)(x^2-xy+y^2)

2007-12-16 14:07:06 · answer #1 · answered by alpha 7 · 1⤊ 0⤋

Y Cubed

2016-12-18 07:05:17 · answer #2 · answered by Anonymous · 0⤊ 0⤋

x^3+y^3
(x+y)(x^2-xy+y^2)
x^3-y^3

(x-y)(x^2+xy+y^2)

2007-12-16 14:05:25 · answer #3 · answered by Dave aka Spider Monkey 7 · 0⤊ 0⤋

(x^3+y^3)=(x+y)(x^2-xy+y^2)

2007-12-16 14:01:00 · answer #4 · answered by someone else 7 · 0⤊ 0⤋

7 years later... while you likely by now have graduated, I now face the same question.......

2015-01-11 01:46:20 · answer #5 · answered by Theo 1 · 0⤊ 0⤋

x³ + y³ = (x + y)(x² - xy + y²)

2007-12-16 14:01:44 · answer #6 · answered by Philo 7 · 0⤊ 0⤋