October 2018 1 20 Report

Dla jakiej wartości parametru a prawdziwa jest równość

a) x³-x²-x-15=(x²+ax+5)(x-3)

b) x³+x²-17x-20=(x²+ax-5)(x+4)

c) 2x³-4x²-7x+18=(2x²+ax+9)(x+2)


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