How do you factor #x^3y^3+2^3#?
1 Answer
Aug 30, 2017
Explanation:
#"this is a "color(blue)"sum of cubes"#
#"and factorises in general as"#
#color(red)(bar(ul(|color(white)(2/2)color(black)(a^3+b^3=(a+b)(a^2-ab+b^2))color(white)(2/2)|)))#
#x^3y^3+2^3toa=xy,b=2#
#rArrx^3y^3+2^3=(xy+2)(x^2y^2-2xy+4)#
