Question

Can someone please help me with problem #18 in this dividing radicals assignment? The answer is provided next to it. This is algebra 2 by the way. Please show your work.



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Answer 1

Answer:

Step-by-step explanation:

Multiply top and bottom by (4 - 3 sqrt 2) to rationalize it to :

(24 -18sqrt2 + 20 sqrt 2 - 15 (2) ) / ( 16 - 18)

=

(2 sqrt 2 -6 ) / -2    simplify to

3 - sqrt 2