Homework Help

Multiply and simplify The square root of 45 the square root of 60.

user profile pic

rosey-girl | Student, Grade 12 | Valedictorian

Posted January 31, 2013 at 3:30 AM via web

dislike 1 like

Multiply and simplify

The square root of 45 the square root of 60.

1 Answer | Add Yours

user profile pic

jeew-m | College Teacher | (Level 1) Educator Emeritus

Posted January 31, 2013 at 4:20 AM (Answer #1)

dislike 2 like

`sqrt45xxsqrt60`

`= sqrt(45xx60)`

`= sqrt((15xx3)(15xx4))`

`= sqrt(15^2xx4xx3)`

`= sqrt15^2xxsqrt4xxsqrt3`

`= 15xx2sqrt3`

`= 30sqrt3`

Join to answer this question

Join a community of thousands of dedicated teachers and students.

Join eNotes