A(x) = 2 x² - 11x + 14 x - 77
A(x) = 2 x² + 3 x - 77
B(x) = (3 x² + 3x -2x -2) - (2x + 3x² -2 -3x)
B(x) = 3 x² + x -2 - (3x² -x - 2)
B(x) = 2 x
C(x) = (4 x² + 20 x + 25) + (81 - 18x + x²)
C(x) = 5 x² + 2x + 101
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Verified answer
A(x) = 2 x² - 11x + 14 x - 77
A(x) = 2 x² + 3 x - 77
B(x) = (3 x² + 3x -2x -2) - (2x + 3x² -2 -3x)
B(x) = 3 x² + x -2 - (3x² -x - 2)
B(x) = 2 x
C(x) = (4 x² + 20 x + 25) + (81 - 18x + x²)
C(x) = 5 x² + 2x + 101