Question

(x+y) (5x2+6x-3y2+yx) Допоможіть

Answer 1

Ответ:

(x+y)x(5xx2+6x-3yx2+yx)=(x+y)x(10x+6x-6y+xy)=(x+y)x(16x-6y+xy)=16x2-6xy+x²y +16xy-6y² + xy²

Answer 2

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