If A = (3x2 – 4x +1), B = (5x2 + 3x – 8), C = (4x2 –7x + 3), find the value of A + B – C.
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a = 7-4x
b= 2+3x
c = 11-7x
a+b = 9-x
a+b-c = 6x-2
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this is correct
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