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Tcecarenko [31]
3 years ago
7

divide the following polynomials, then place the answer in the proper location on the grid. Write the answer in descending power

s of a. Divide 5a^2 + 6a - 9 into 25a^4 + 19a^2 - a - 78.
Mathematics
1 answer:
jonny [76]3 years ago
8 0

Step-by-step explanation:

(25a^4           +  19a^2  -    a  -  78) : (5a^2 + 6a - 9)  =  5a^2 - 6a + 20   Rest  -175x + 102  

25a^4  + 30a^3  -  45a^2                

———————————————————————————————————————

       - 30a^3  +  64a^2  -    a  -  78

       - 30a^3  -  36a^2  +  54a        

       ————————————————————————————————

                  100a^2  -  55a  -  78

                  100a^2  + 120a  - 180

                  —————————————————————

                          - 175a  + 102

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Answer:

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Step-by-step explanation:

The question is asking you to evaluate -4.5b, which is a simplified way of saying

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