Doprowadź do prostszej postaci wyrażenie 5(y²-2)-(17-7y²)
Wynik to: 12y²-27.
Potrzebuję całych obliczeń.
5(y²-2)-(17-7y²)=5y(2)-10-17+7y(2)=
=12y(2)-27
5(y²-2)-(17-7y²)= 5y²-10-17+7y²=12y²-27
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5(y²-2)-(17-7y²)=5y(2)-10-17+7y(2)=
=12y(2)-27
5(y²-2)-(17-7y²)= 5y²-10-17+7y²=12y²-27