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zainab zainab
  • 01-01-2014
  • Mathematics
Answered

which trinomial is equivalent to (3x-1)(x+4)

Verified Answer :

ahmedhabib047 ahmedhabib047
  • 01-01-2014

Foil this out.
 first 3xx
outer
3x
4
Inner
-1x
last -1
4 multiply,
 combine like terms, and you'll have your answer

Answer Link
vivindalka
vivindalka vivindalka
  • 04-01-2014

(3x - 1)(x +4)=
= 3x x + 3x 4 - 1 x - 1 4 =
= 3x^2 + 12x - x - 4 =
= 3x^2 + 11x - 4

Answer Link

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