solve : ( a + b ) ( 2 a - 3 b + c )
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Answer:
2a^2-3b^2-ab+ac+bc
Step-by-step explanation:
(a+b)(2a-3b+c)
a(2a-3b+c)+b(2a-3b+c)
2a^2-3ab+ac+2ab-3b^2+bc
2a^2-3b^2-3ab+2ab+ac+bc
2a^2-3b^2-ab+ac+bc
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