Question

What is the following difference? 11√45 - 4√5 a. 7√40 b.14√10 c.29√5 d.95√5

Answer 1

11√45 - 4√5 = 11√9√5 - 4√5

= 11(3)√5 - 4√5

= 33√5 - 4√5

= 29√5

The correct answer is C.