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Svetradugi [14.3K]
2 years ago
6

Worth 20 points, please help and give good answers than you(will mark brainlest)

Mathematics
2 answers:
valentina_108 [34]2 years ago
7 0

Answer:

A

Step-by-step explanation:

-3x2 + 5y - 4xy + y2 - (2x2 - 4y + 7xy - 6y2)

use - sign to open bracket by multiplying

-3x2 + 5y - 4xy + y2 - 2x2 + 4y - 7xy - 6y2

collect like terms

-3x2 - 2x2 + 5y +4y - 4xy - 7xy + y2 +6y2

-5x2 + 9y - 11xy + 7y2

nalin [4]2 years ago
4 0

Answer:

B

Step-by-step explanation:

all you need is to solve the first term

2x² - (-3x²) = 5x² ,

b is the only answer with 5x² in it

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Image inserted
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