divide:72abc(3a+12) (5b-35) ÷54(a+4) (b-7)
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Step-by-step explanation:
72abc(3a+12)(5b-35) ÷ 54(a+4)(b-7)
72abc× 3(a+4) 5(b-7) ÷ 54(a+4) (b-7)
72abc×3×5 ÷54
24abc×15÷18
4abc×15÷3
20abc
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