Mathematics · Algebraic Identities
Simplify: (4x - 5y) 2 + (5x + 4y) 2 + (4x + 5y)(4x - 5y).
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 158x 2 - 16y 2
- 257x 2 - 16y 2✓
- 357x 2 + 16y 2
- 4-58x 2 + 16y 2
Correct answer
57x 2 - 16y 2
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