From 7x^2+5xy-3y^2 subtract the sum of 2x^2+3xy-5y^2 and x^2-7xy-4y^2.

HaneTV asked Nov 25, 2023

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HaneTV asked Nov 25, 2023

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11 votes

Answer:

4x^2+9xy+6y^2

Explanation:

7x^2+5xy-3y^2 -(2x^2+3xy-5y^2+x^2-7xy-4y^2)

7x^2+5xy-3y^2-(3x^2-4xy-9y^2)

7x^2+5xy-3y^2-3x^2+4xy+9y^2

4x^2+9xy+6y^2

Hburde answered Nov 30, 2023

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