Simplify:
1. (1.1x - 0.9y)² - (0.9x - 1.1y)²
2. (5x + 2y)² + (5x - 2y)²
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Simplify:
1. (1.1x - 0.9y)² - (0.9x - 1.1y)²
2. (5x + 2y)² + (5x - 2y)²
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Answer:
2. 10x
Step-by-step explanation:
no. 1 don't know, please forgive me thank u