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Expand the product $2r(4r - 8)$

 Jun 30, 2015

Best Answer 

 #2
avatar+427 
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2r * (4r - 8)

Firstly expand the equation.

= 2r*4r - 8*2r

Get the products of the constants

= 8r*r - 16r

Now the product of the "r"s

= 8r2 - 16r

 Jun 30, 2015
 #2
avatar+427 
+5
Best Answer

2r * (4r - 8)

Firstly expand the equation.

= 2r*4r - 8*2r

Get the products of the constants

= 8r*r - 16r

Now the product of the "r"s

= 8r2 - 16r

Sir-Emo-Chappington Jun 30, 2015

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