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The correct answer is one of:

A: (7x + 5)*(7x + 6) = 49x2 + 77x + 30

B: (7x + 5)*7x + 6 = 49x2 + 35x + 6

C: 7x + 5*7x + 6 = 42x + 6

Since there are no brackets in the question, the correct answer is C but I suspect there should be brackets but this site does not allow them.

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12y ago

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