Question

subtract : x² -3xy + 7y² - 2 from 6xy - 4x² - y² + 5
please give me a full explanation
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Answer 1

Answer:

$6 x y - 4 {x}^{2} - {y}^{2} + 5 - ( {x}^{2} - 3xy + 7 {y}^{2} - 2 \\ 6xy - 4 {x}^{2} - {y}^{2} + 5 - {x}^{2} + 3xy - 8 {y}^{2} + 2 \\ 9xy - 5{x}^{2} - 9 {y}^{2} + 7$

Answer 2

Your answer is in the attachment.

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