Question

using horizontal method :


Add x^2+y^2-2xy,-2x^2-y^2-2xyand3x^3+y^2+xy​

Answer 1

Answer:

x² + y²- 2xy

-2x - y - 2xy

3x³. +y² +xy

= 3x³ - x² + y² - 3xy

Answer 2

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