(3x^2+7x-20)/(x+4)

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jkhenry · Answer 1 · 2011-12-26T22:50:50+0000

3x - 5

                -----------------------------------------------

( x + 4 )        3x^2 + 7x - 20

                    3x^2 + 12x

                  - 3x^2 - 12x

                   ----------------------

                           - 5x - 20

                           - 5x - 20

                            + 5x + 20

                      -----------------------

                                 0 ⇒ the answer is ( 3x - 5 )

( 3x^2 + 7x - 20 )/( x + 4 ) = 3x - 5

anonymous · Answer 2 · 2014-06-10T23:58:37+0000

a train leaves kansas city,kansas,and travel north at 85km per hr.another

train leaves at the same time and travel south at 95km per hr.how long will it take before they are 315km apart?

Elmira · Answer 3 · 2014-07-13T08:53:28+0000

3x^2-5x+12x-20=3x(x+4)-5x-20=3x(x+4)-5(x+4)=(3x-5)(x+4)

(3x-5)(x+4)/+-4=3x-5

(3x^2+7x-20)/(x+4)

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