(4a^2+12ab+9b^2)/(2a+3b)
问题描述:
(4a^2+12ab+9b^2)/(2a+3b)
答
(4a^2+12ab+9b^2)/(2a+3b) =(2a+3b)^2/(2a+3b) =2a+3b
(4a^2+12ab+9b^2)/(2a+3b)
(4a^2+12ab+9b^2)/(2a+3b) =(2a+3b)^2/(2a+3b) =2a+3b