1.

Subtract: 10a²-9ab+6b² from 7ab-2a²-2b²​

Answer»

- 12a² - 8b² + 16abStep-by-step explanation:7AB - 2a² - 2b² - ( 10a² - 9AB + 6b² )= - 2a² - 2b² + 7ab - ( 10a² + 6b² - 9ab )= - 2a² - 2b² + 7ab - 10a² - 6b² + 9ab= - 2a² - 10a² - 2b² - 6b² + 7ab + 9ab= - 12a² - 8b² + 16ab



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