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a) 4x(do kwadratu)-4x+1
b) 9x(do kwadratu )+12x+4
c) x(do kwadratu )- 6x+ 9
d) x( do kwadratu )+8x+16
e) 9x( do kwadratu )-24x+16
f) 16-40x+25x( do kwadratu )
g) 4x( do kwadratu )- 28x + 49
i) x(do kwadratu )-8x+16
j) 9x(do kwadratu )-30x+25
h) 16x( do kwadratu )+56x+49