Question

EXERCISE 82
1. Add the following polynomials.
(1) x² + 2xy + y² , x² - 2xy + y²​

Answer 1

Answer:

x²+2xy+y²

x²-2xy+y²

------------------------- cut the 2xy and -2xy

2x² +2y²

Answer 2

Answer:

$2x { }^{2} + 2y {}^{2}$

Explanation:

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