Wyrażenie 3/x+4 - 1/x-2 w postaci ilorazu dwóch wielomianów ma postać?
3(x-2) / (x+4)(x-2) - (x+4) / (x+4)(x-2) = (3x-6-4-x) / (x+4)(x-2) = (2x-10) / ( x²-2x+4x-8) =
= (2x-10) / (x²+2x-8)
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3(x-2) / (x+4)(x-2) - (x+4) / (x+4)(x-2) = (3x-6-4-x) / (x+4)(x-2) = (2x-10) / ( x²-2x+4x-8) =
= (2x-10) / (x²+2x-8)