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Lerasolnceva55
@Lerasolnceva55
August 2022
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Преобразуйте в многочлен
3х(3х+7)-(3х+1)^2
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holmskaja
3х(3х+7)-(3х+1)^2=
=9x^2+21x-(9x^2+6x+1)=
=9x^2+21x-9x^2-6x-1=
=15x-1
3 votes
Thanks 2
Kixcertborn2
Verified answer
3х*(3х+7)-(3х+1)^2
9х^2+21х-(9х^2+6х+1)
9х^2+21х-9х^2-6х-1
15х-1
11 votes
Thanks 9
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Answers & Comments
=9x^2+21x-(9x^2+6x+1)=
=9x^2+21x-9x^2-6x-1=
=15x-1
Verified answer
3х*(3х+7)-(3х+1)^29х^2+21х-(9х^2+6х+1)
9х^2+21х-9х^2-6х-1
15х-1