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jasenka [17]
3 years ago
14

alt="\color{pink}\rm\huge{Help}" align="absmiddle" class="latex-formula">​

Mathematics
1 answer:
Llana [10]3 years ago
8 0

Answer:

  • See below

Step-by-step explanation:

#1 Synthetic method

  • 2x³ + x² - 2x - 4 ÷ x + 1 = 2x² - x - 1 rem 3

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

x + 1 | 2x³ + x² - 2x + 4

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

    -1 |  2       1    -2    4

       <u>|         - 2     1     1 </u>

          2     - 1    - 1    3

#2 Long division

  • 3x³ - 5x² - 26x - 8 ÷ 3x + 1 = x² - 2x - 8

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

3x³ - 5x² - 26x - 8  <u>| 3x + 1</u>     = x² - 2x - 8

<u>3x³ + x²</u>

       -6x² - 26x

       <u>-6x² - 2x</u>

                  - 24x - 8

                  <u>- 24x - 8</u>

                             0

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