Simplify :
{( 6x²- 9xy - 11y²) - ( 7x² - 2xy + 3y² )} + ( 2x²- 23xy - 10y² )
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Answer:
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Answer:
x² - 30xy - 24y²
Step-by-step explanation:
{( 6x²- 9xy - 11y²) - ( 7x² - 2xy + 3y² )} + ( 2x²- 23xy - 10y² )
{(7x² - 6x²) + (9xy - 2xy) + (11y² + 3y²)} + (2x² - 23xy- 10y²)
(x² + 7xy + 14y²) + (2x² - 23xy - 10y²)
(2x² - x²) - (7xy + 23xy) - (14y² + 10y²)
x² - 30xy - 24y²
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