Mathematics · Algebra
Simplify the given equation: (5z-7y)2 + (7z+5y)2 - 49z2
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 135z2 + 70y2
- 230z2 + 83y2
- 325z2 + 74y2✓
- 426z2 + 82y2
Correct answer
25z2 + 74y2
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