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odp.A
(x+5)(2x-4) = (-1+5)[2*(-1)-4] = 4*(-2-4) = 4*(-6) = -24
odp.D
24x-4x²+30-5x
-4x²+19x+30
odp A
2)
(x+5)(2x-4)
(-1+5)(2*(-1)-4)
4*(-2-4)
4*(-6)=-24
odp D