1.Wykonaj mnożenie: (x+2+y) (z+1), (a+b) (7-b+4c), (p-2s+5t) (5p-3). ZAD 2. Wykonaj mnożenie i zredukuj wyrazy podobne: (c-1) (b+2) + 2bc, (1-b) (b-4) + 3b, (2a-b) (a-2b) + 5a(do kwadratu), (b-4) (b-3) - b (b+3).
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2.cb+2c-b+2
b-4-b[kwadrat]+4+3b=4b-b[kwadrat]
2a[kwadrat]-4ab-ab+2b[kwadrat]+5a[kwadrat]=7a[kwadrat]+2b[kwadrat]-5ab
b[kwadrat]-3b-4b-12-b[kwadrat]-3b=-10b-12