Which of the following is correct?
A) (3x + 4y)(4x - 3y) = 12x2 + 7xy - 12y2 B) (3x + 4y)(4x - 3y) = 12x2 + 251xy - 12y2 C) (3x + 4y)(4x - 3y) = 12x2 - 7xy + 12y2 D) (3x + 4y)(4x - 3y) = 12x2 - 251xy + 12y2
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Answer:
A is a correct answer
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