Odpowiedź:
zad.2
a)p2-2p+4p-8=P2+2p-8
b)-3a+12+a2-4a=-7a+12+a2
c)2x2+6x+5x+15=2x2+11x+15
d)8m2-20m+2m-5=8m2-18m-5
e)20+15p-4p-3p2=20+11p-3p2
powinno być dobrze :)
zad.3
a)10p2+4pq+15pq+6q2=10p2+19pq+6q2
b)3a2-12ab+2ab-8b2=3a2-10ab-8b2
c)6x2-4xy-9xy+6y2=6x2-13xy+6y2
d)5m2-2mn+10mn-4n2=5m2+8mn-4n2
e)10a2b+15a3-2b2-3ab
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Odpowiedź:
zad.2
a)p2-2p+4p-8=P2+2p-8
b)-3a+12+a2-4a=-7a+12+a2
c)2x2+6x+5x+15=2x2+11x+15
d)8m2-20m+2m-5=8m2-18m-5
e)20+15p-4p-3p2=20+11p-3p2
powinno być dobrze :)
zad.3
a)10p2+4pq+15pq+6q2=10p2+19pq+6q2
b)3a2-12ab+2ab-8b2=3a2-10ab-8b2
c)6x2-4xy-9xy+6y2=6x2-13xy+6y2
d)5m2-2mn+10mn-4n2=5m2+8mn-4n2
e)10a2b+15a3-2b2-3ab