What is the #LCD# of #x/(2x+16)# and #(-4x)/(3x-27)#?
1 Answer
Nov 11, 2017
Explanation:
#"factorise both denominators"#
#2x+16=2(x+8)larrcolor(blue)"common factor of 2"#
#3x-27)=3(x-9)larrcolor(blue)"common factor of 3"#
#"the "color(blue)"lowest common multiple ""(LCM)"#
#"of 2 and 3 "=2xx3=6#
#"of "(x+8)" and "(x-9)=(x+8)(x-9)#
#rArrLCD=6(x+8)(x-9)#