shreya95 shreya95

26-08-2020
Mathematics

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add. 4x² – 5xy + 3y?, 8x + 7xy - 6y?, -2x? - 9xy + 13y

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baileyrd baileyrd

26-08-2020

Answer:

0x²-7xy+10y²

Step-by-step explanation:

4x²-5xy+3y² + 8x²+7xy-6y²

4x²+8x²-5xy+7xy+3y²-6y²

=12x²+2xy-3y²

12x²-5xy+3y² + -2x²-9xy+13y²

12x²-5xy+3y² - 2x²-9xy+13y²

12x²-2x²-5xy-9xy+3y²+13y²

= 10x²-7xy+10y²

Hoped I helped

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