Mathematics · Algebraic Expressions
Simplify the expression: x2 + 5x - 12 - 3(x2 - 2x + 9)
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 12x2 - 11x - 39
- 2-2x2 + 11x + 39
- 3-2x2 + 11x - 39✓
- 42x2 + 11x - 39
Correct answer
-2x2 + 11x - 39
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