Question

(5x-3y)(-x+7y)-(2x + 5y) (3x – 4y).​

Answer 1

Answer:

5x+5y hop answer will be right

Step-by-step explanation:

5x+5y

Answer 2

Answer: -11x² + 31xy - y²

Step-by-step explanation:

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

=> (-5x² + 35xy + 3xy - 21y²) - (6x² - 8xy + 15xy - 20y²)

=> (-5x² + 38xy - 21y²) - (6x² + 7xy - 20y²)

=> -5x² + 38xy - 21y² - 6x² - 7xy + 20y²

=> -11x² + 31xy - y²

Hope this helps you .

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