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= xkuadrat +6x+8
4p²+12p+8
b. (2p+5)(2p-5)
4p²-25
c. (4+2m)(m-2)
-8+2m²
d. (10x -3)(2x-1)
2x²-16x+3
e. (7-x)(7x-1)
50x-7-7x²