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Marat540 [252]
3 years ago
10

Simplify (5x+3y)^2-(5x-3y)^2-60xy

Mathematics
1 answer:
elena-14-01-66 [18.8K]3 years ago
7 0

Answer:

hope this answer will help u.

Step-by-step explanation:

<em>( 5x + 3y )² - ( 5x - 3y )² - 60xy</em>

<em>= ( 25x² + 30xy + 9y²) - ( 25x² - 30xy + 9y² ) - 60xy</em>

<em>= 25x² + 30xy +9y² - 25x² + 30xy - 9y² - 60xy</em>

<em>= 60xy - 60xy</em>

<em>= 0</em>

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