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(x2 +2xy +y2)+(x2- 2xy + y2)=
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3 votes
(x2 +2xy +y2)+(x2- 2xy + y2)=

User Franc Weser
by
5.1k points

2 Answers

6 votes

Answer:

2x^2 + 2y^2

Explanation:

User Gln
by
4.8k points
7 votes

Answer:

2x^2 + 2y^2

Explanation:

Combine like terms.

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

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

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

= 2x^2 + 2y^2

User Joel Fillmore
by
4.5k points
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