SIMPLIFY– 2(a²- 3ab + b²) - 3(2a²+ 3b²- 7ab)
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2(a²- 3ab + b²) - 3(2a²+ 3b²- 7ab)
= 2a² - 6ab + 2b² - 6a² - 9b² + 21ab
= 2a² - 6a² - 6ab + 21ab + 2b² - 9b²
= - 4a² + 15ab - 7b²
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= 2a² - 6ab + 2b² - 6a² - 9b² + 21ab
= 2a² - 6a² - 6ab + 21ab + 2b² - 9b²
= - 4a² + 15ab - 7b²
Hope it helps you
Mark me as a brainlist please ❤️❤️
Bye ☺️
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