SOLUTION: 3x^3+7x^2-15x+18 divided by x+4

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Question 1134478: 3x^3+7x^2-15x+18 divided by x+4
Found 3 solutions by josgarithmetic, MathLover1, MathTherapy:
Answer by josgarithmetic(39620) About Me  (Show Source):
You can put this solution on YOUR website!
  
        3x^2    -5x      4
     ______________________________________
x+4  |  3x^3    7x^2    -15x    18
     |
     |  3x^3   12x^2
      ---------------
       0       -5x^2    -15x
               -5x^2    -20x
             ----------------
                0        4x    18
                         4x    16
                        ----------
                           0   2

highlight%283x%5E2-5x%2B4%2B2%2F%28x%2B4%29%29

Answer by MathLover1(20850) About Me  (Show Source):
You can put this solution on YOUR website!

3x%5E3%2B7x%5E2-15x%2B18 divided by x%2B4+

.....................(3x%5E2-5x%2B5
x%2B4+..|3x%5E3%2B7x%5E2-15x%2B18
.....................3x%5E3%2B12x%5E2......subtract
..............................-5x%5E2...add -15x
..............................-5x%5E2-15x
..............................-5x%5E2-20x......subtract
..........................................5x...add 18
..........................................5x%2B18
..........................................5x%2B20......subtract
.................................................-2=>reminder
3x%5E3%2B7x%5E2-15x%2B18=%283x%5E2-5x%2B5%29%28x%2B4%29-2


Answer by MathTherapy(10553) About Me  (Show Source):
You can put this solution on YOUR website!
3x^3+7x^2-15x+18 divided by x+4
Correct answer: highlight_green%283x%5E2+-+5x+%2B+5+%2B+%28-+2%29%2F%28x+%2B+4%29%29

IGNORE all others!!