Mathematics · Algebra
The simplified form of (7x + 4y) 2 + (7x - 4y) 2 is:
- 198x 2 - 32y 2
- 232x 2 + 98y 2
- 398x 2 + 32y 2 - 5xy
- 498x 2 + 32y 2✓
Correct answer
98x 2 + 32y 2
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