factories 1+a+b+c+ab+ac+bc+abc
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Answer:
1+a+b+c+ab+ac+ac+bc+abc
By rearranging,
- 1+c+a+ac+b+bc+ab+abc
- 1(1+c)+a(1+c)+b(1+c)+ab(1+c)
- (1+c)(1+a+b+ab)
- (1+c){(1+a)(1+b)}
- (1+a)(1+b)(1+c)
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