simplify ( a + b )(2a -3b + c ) - ( 2a - 3b )
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Answer:
2a²-3b²-ab+bc+ca-2a+3b
Step-by-step explanation:
Given that ( a + b )( 2a - 3b + c ) - ( 2a - 3b )
= 2a² - 3ab + ac + 2ab - 3b² + bc - 2a + 3b
= 2a² - 3b² - ab + bc + ca - 2a + 3b
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