Предмет: Алгебра, автор: Litttttttlbaby

Ребят ,очень нужна помощь!!!!!!!! Даю максимум!!!!

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Автор ответа: ФЕРАМИНГ

1)x^2-3x+4+x-2x^2-1=-x^2-2x-5
x^2-3x+4-x+2x^2+1=3x^2-4x+5
2) a) 2x-11y-5x-12+3x-17y= -28y-12= 12y+1
b) 3b^2+2b+2b^2-3b-4+b^2-19=6b^2-b-23

Автор ответа: Litttttttlbaby

Чувак ,если это правильно то ты самый лучший!!!

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