web2.0calc
 
+0  
 

 hi! pls help now

+3
2558
4
avatar+65 

What constant can be placed in the blank below to make the resulting expression factorable as the product of two linear expressions:
\( \[2ab + 5a - 6b + \underline{~~~~}?\]\)

 Jul 10, 2018

4+0 Answers

 #1
avatar+26393 
+1

What constant can be placed in the blank below to make the resulting expression factorable as the product of two linear expressions:
\(\[2ab + 5a - 6b + \underline{~~~~}?\]\)


\(2ab+5a-6b{\color{red}-15} = (a-3)(2b+5)\)

 

 

laugh

 Jul 10, 2018
 #2
avatar+65 
+1

so wht constant?

 Jul 10, 2018
 #3
avatar+118673 
+1

-15 is the constant :/

 

Thanks Heureka :)

Melody  Jul 12, 2018
 #4
avatar+65 
+1

thx yall

 Jul 13, 2018

4 Online Users

avatar

Top Users

avatar+118673 Melody moderator
avatar+37146 ElectricPavlov
avatar+33661 Alan moderator
avatar+14995 asinus moderator
avatar+2489 GingerAle
avatar+1908 NotThatSmart
avatar+1839 ABJeIIy
avatar+1768 bader
avatar+1537 parmen
avatar+1439 kittykat
avatar+1427 blackpanther

Sticky Topics