Mathematics · Algebra
Simplify: (5z - 10y)2 + (10z + 5y)2 - 100z2
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 125z2 + 125y2✓
- 217z2 + 134y2
- 317z2 + 131y2
- 417z2 + 119y2
Correct answer
25z2 + 125y2
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