macman2790 macrumors 6502a Original poster Sep 4, 2006 716 1 Texas Feb 4, 2007 #1 x^3 + 125, yeah i know its probably easy, but i kinda forgot, somehow.
dukebound85 macrumors Core Jul 17, 2005 19,218 4,342 5045 feet above sea level Feb 4, 2007 #2 macman2790 said: x^3 + 125, yeah i know its probably easy, but i kinda forgot, somehow. Click to expand... (x+5)*(x^2-5x+25)
macman2790 said: x^3 + 125, yeah i know its probably easy, but i kinda forgot, somehow. Click to expand... (x+5)*(x^2-5x+25)
Bobdude161 macrumors 65816 Mar 12, 2006 1,215 1 N'Albany, Indiana Feb 4, 2007 #3 man if i posted math questions i didn't know they would've created a bobdude161 discussion board by now.
man if i posted math questions i didn't know they would've created a bobdude161 discussion board by now.
dukebound85 macrumors Core Jul 17, 2005 19,218 4,342 5045 feet above sea level Feb 4, 2007 #4 Bobdude161 said: man if i posted math questions i didn't know they would've created a bobdude161 discussion board by now. Click to expand... haha what? im totally confused
Bobdude161 said: man if i posted math questions i didn't know they would've created a bobdude161 discussion board by now. Click to expand... haha what? im totally confused
siurpeeman macrumors 603 Dec 2, 2006 6,327 30 the OC Feb 5, 2007 #6 further, any a^3 - b^3 will give you (a - b)(a^2 + ab + b^2) and a^3 + b^3 will be (a + b)(a^2 - ab + b^2). just remember that the signs change.
further, any a^3 - b^3 will give you (a - b)(a^2 + ab + b^2) and a^3 + b^3 will be (a + b)(a^2 - ab + b^2). just remember that the signs change.