9 Find a, b and c, given that the following pairs of polynomials are identically equa a ax? + bx + c = 3x? b (a - b)x? + (2a + b)x c a(x - 1)2 + b(x - 1) + c = x², for all x. d a(x + 2)2 + b(x + 3)2 + c(x + 4)2 = 4.x + 1, for all x. = 7x - x, for all x. 2x? + 8x + 6, for all x.

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