asked 136k views
2 votes
??????????????????????????????????????????????

??????????????????????????????????????????????-example-1
asked
User Jim Todd
by
7.5k points

1 Answer

4 votes
the first one is 2x^2+2x-2
the second one is 2x^2-2x-2
the third one is 6h+6k
answered
User Jonalm
by
7.9k points

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