Mathematics · Algebra
Expand the algebraic expression: (3x - 7)2
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 19x2 - 21x + 49
- 2x2 - 42x + 49
- 39x2 - 42x + 49✓
- 49x2 + 42x + 49
Correct answer
9x2 - 42x + 49
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