Mathematics · Algebra
Simplify the expression: 3[a - 1 a ] + [a - 1 a ] 3
- 1a 2 - 1 a 2
- 2a 3 + 1 a 3
- 3a 3 - 1 a 3✓
- 4a 2 - 1 a 3
Correct answer
a 3 - 1 a 3
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