+0  
 
-1
193
1
avatar+1405 

Help me Please.

 

Multiply: Leave answers with positive exponents.

 

(3a2b-1)(4a-3b)

 Feb 5, 2018
 #1
avatar+95883 
+1

(3a2b-1)(4a-3b)

 

We   are using   am * an  =  a(m + n)

 

3*4 * a2* a-3 * b-1 * b1

 

12 a-1 b0

 

12 / a

 

 

cool cool cool

 Feb 5, 2018

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