How do you factor #r^3-8#?
2 Answers
May 21, 2018
Explanation:
Difference of Cubes follows the formula:
May 21, 2018
Explanation:
#"this is a "color(blue)"difference of cubes"#
#"which factors in general as"#
#•color(white)(x)a^3-b^3=(a-b)(a^2+ab+b^2)#
#"here "a=r" and "b=2#
#rArrr^3-8=(r-2)(r^2+2r+4)#