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AveGali [126]
3 years ago
14

Divide the following polynomials. Write the answer in descending powers of a.

Mathematics
2 answers:
Aleks [24]3 years ago
7 0
The answer to this question is 5a^2-6a+20+(-175a+102)over(5a^2+6a-9)
vfiekz [6]3 years ago
7 0

Answer:

ddd

Step-by-step explanation:

Divide 5a2 + 6a - 9 into 25a4 + 19a2 - a - 78.


                               5a^2 -6a +20

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

   5a^2+6a-9        25a^4 + 0a^3 +19a^2 - 1a - 78

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

                            ------------------------------------------------(subtract)

                                         -30a^3 +64a^2 -1a

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

                            -----------------------------------------------(subtract)

                                                     100a^2 -55a  -78

                                                     100a^2 +120a - 180

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

                                                                   - 175a +102

Quotient : 5a^2 -6a+20

Remainder : -175+102

Answer is : 5a^2 -6a+20 + \frac{-175a+102}{5a^2+6a-9}


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