(–10x3 + 30x – 20) ÷ (–5x + 5)

Question

jhonyy9 · Answer

-10x^3 +30x -20 / -5x +5 = 2x^2 +2x -4
-10x^3 +10x^2
--------------
   0      -10x^2 +30x
           -10x^2 +10x
          --------------
               0       20x -20
                        20x -20
                      ---------
                         0      0

anonymous · Answer

i have that but it isnt in the multiple choice

anonymous · Answer

2x2 – 2x + 4
2x2 – 2x – 4
–2x2 + 2x + 4
2x2 + 2x – 4

callisto · Answer

It is in the choices, check it again :)

anonymous · Answer

all i get is 20x-20

callisto · Answer

2x^2 +  2x   -4                     <- answer is here :)
             -----------------------
-5x +5 ) -10x^3              +30x -20
               -10x^3 +10x^2
               -----------------------
                            -10x^2 +30x
                            -10x^2 +10x
                           -------------------
                                          20x  -20
                                          20x  - 20
                                          ---------

callisto · Answer

Do you understand how to do it?

anonymous · Answer

yes thank you so much math confuses me sometimes

callisto · Answer

Welcome :) Math always troubles me :)