9. Which mathematical statement is NOT correct? A. (2x + 5)2 = 4x2 + 20x + 25
C. (2x - y)(3x - y) = 6x2 - 5xy +
B. (3x - 4) (2x + 7) = 6x2 - 13x - 28 D. (4x - 5)(4x - 5) = 16x2 - 40x​

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