How do you simplify #-7sqrt98#?

1 Answer
Mar 25, 2018

Answer:

#-7sqrt(98)rArr-49sqrt(2)#

Explanation:

Try to factor the radical so that it contains a perfect square.

In this case, we can factor:

#-7sqrt(98)=-7sqrt(49*2)#

Now separate the radical into two terms and simplify:

#-7sqrt(49*2)=-7sqrt(49)sqrt(2)=-7(7)sqrt(2)=-49sqrt(2)#