misspieces09 misspieces09

21-07-2020
Mathematics

contestada

x(x-2y)-(y-x)2=
the answer is

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wegnerkolmp2741o wegnerkolmp2741o

21-07-2020

Answer:

-y^2

Step-by-step explanation:

x(x-2y)-(y-x)^2=

Distribute

x^2 -2xy -(y-x)^2=

Foil

x^2 -2xy -(y^2 -2xy+x^2)=

Distribute the minus sign

x^2 -2xy -y^2 +2xy-x^2=

Combine like terms

-y^2

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