How do you simplify #5 sqrt40#?

Question

202 views around the world

You can reuse this answer
Creative Commons License

Answer 1

Mar 6, 2017

#10sqrt(10)#

Starting with #sqrt(40)#

#sqrt(4*10)#

#sqrt(2^2*10)#

#2sqrt(10)#

Now, to include the #5# you have to multiply #2sqrt(10)# by #5# which equals #10sqrt(10)#