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kearsten
 one year ago
fan and medal
factoring
3d^2–13d +12
kearsten
 one year ago
fan and medal factoring 3d^2–13d +12

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anonymous
 one year ago
Best ResponseYou've already chosen the best response.0What do you get when you multiply the 3 at the front and the 12 at the back?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0now what two numbers multiply to 36 and add to 13?

kearsten
 one year ago
Best ResponseYou've already chosen the best response.0thats where im stuck there are no negative factors for positive 36

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0there are if you use two negative numbers

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0(4) + (9) = 13 (4)(9) = 36

jdoe0001
 one year ago
Best ResponseYou've already chosen the best response.0dw:1438905713931:dw

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0so 4 and 9 are the numbers and you can divide them both by 3 dw:1438905176836:dw

jim_thompson5910
 one year ago
Best ResponseYou've already chosen the best response.0You can also use factor by grouping 3d^2–13d +12 3d^29d4d +12 ... break up the 13d into 9d4d (3d^29d) + (4d +12) 3d(d  3)  4(d  3) (3d  4)(d  3) and you get the same answer
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