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How do i simplify this? √6 * √75    &    √12 - √3

Answer according to the key is 15 * √2   &   √3

 

and I'm not allowed to use a calculator obvs

 Nov 20, 2018

Best Answer 

 #1
avatar+18337 
+2

sqrt6  *  sqrt 75 =

sqrt6  * sqrt(25*3)=

5 *  sqrt6 * sqrt 3 =

5* sqrt(6*3)

5 sqrt(18)

5 sqrt(9*2)

5(3)sqrt2 = 15 sqrt 2  

 

sqrt12 - sqr3 = sqrt(4*3)-sqrt3 = 2 sqrt3 -sqrt3 = (1)sqrt3 = sqrt3

 Nov 20, 2018
 #1
avatar+18337 
+2
Best Answer

sqrt6  *  sqrt 75 =

sqrt6  * sqrt(25*3)=

5 *  sqrt6 * sqrt 3 =

5* sqrt(6*3)

5 sqrt(18)

5 sqrt(9*2)

5(3)sqrt2 = 15 sqrt 2  

 

sqrt12 - sqr3 = sqrt(4*3)-sqrt3 = 2 sqrt3 -sqrt3 = (1)sqrt3 = sqrt3

ElectricPavlov Nov 20, 2018

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