How do I factor this?

0 ⤊

x^3+216

2007-07-16 07:29:20 · 3 answers · asked by jared c 1 in Science & Mathematics ➔ Mathematics

is there a formula for this?

2007-07-16 07:39:21 · update #1

how did u get that answer?

2007-07-16 07:40:58 · update #2

x^3 + 216
= x^3 + 6^3
= (x + 6)(x^2 -6x+ 6^2)

i used the formula a^3 + b^3 = (a+ b)(a^2 -ab+ b^2)

2007-07-16 07:44:46 · answer #1 · answered by Bibo 1 · 0⤊ 0⤋

Factoring that expression yields
(x + 6) * (x^2 - 6*x + 36)

2007-07-16 14:35:14 · answer #2 · answered by lithiumdeuteride 7 · 0⤊ 0⤋

x^3+216
=x^3+6^3
=(x+6)(x^2-6x+6^2)
=(x+6)(x^2-6x+36)

2007-07-16 14:33:03 · answer #3 · answered by Pareshan Atma 2 · 0⤊ 0⤋