Cevaplar

2012-10-07T23:58:38+03:00

a) (x^{2}-1).(2x-3)-4x(1-x^{2})

2x^{3}-3x^{2}-2x+3-4x+4x^{3}
6x^{3}-3x^{2}-6x+3
6x(x^{2}-1)-3(x^{2}-1)
(6x-3) . (x^{2}-1)

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