How do you simplify # (4 sqrt12) * (3 sqrt20)#?
1 Answer
May 27, 2016
Explanation:
 Simplifying both
#sqrt12# and#sqrt20# by prime factorisation.
Note: Prime factorisation is expressing a number as a product of its prime factors.

#sqrt12 = sqrt (2 * 2 * 3) = sqrt (2^2 * 3 ) = color(green)(2 sqrt3# 
#sqrt20 = sqrt (2 * 2 * 5) = sqrt (2^2 * 5 ) = color(blue)(2 sqrt5#