Math, asked by panthemlata7, 3 days ago

subtract 9x² - 8y² + 6y - 7 from 12x² - 9xy + 7y² - 3y




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Answers

Answered by svp311076
0

Step-by-step explanation:

3x^2 -15y^2 +9y -7 -9xy

^ 2 means square

Answered by dayanidhisharma19
0

Answer:  3x²-9xy-9y+15y²+7

Q. subtract 9x² - 8y² + 6y - 7 from 12x² - 9xy + 7y² - 3y

Solution:- first we have to arrange the question according to its coefficient and its power.

see here how to arrange,  

                                 ( 12x² - 9xy + 7y² - 3y)  - ( 9x² +6y - 8y² - 7 )

                               = 3x²-9xy-9y+15y²+7 ( Answer)

                           

                                 

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