Mathematics · Algebra
If x = 7 + 72/3 + 71/3, then which of the options below is correct?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1x3 + 21x2 - 126x - 252 = 0
- 2x3 + 21x2 - 126x + 252 = 0
- 3x3 - 21x2 + 126x - 252 = 0✓
- 4x3 - 21x2 - 126x + 252 = 0
Correct answer
x3 - 21x2 + 126x - 252 = 0
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