Math, asked by samirrai66486648, 5 hours ago

add the following 7x^2 +12xy-4y^2-4xy+2y^2-4x^2

Answers

Answered by rashmitiwari808

0

Answer:

3x^2 - 2y^2 + 8xy

Step-by-step explanation:

7x^2 +12xy -4y^2 -4xy +2y^2 - 4x^2

= 7x^2 - 4x^2 - 4y^2 +2y^2 +12xy -4xy

= 3x^2 - 2y^2 + 8xy

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