Simplify the expression: 3(4+3)-(4+5).
- 12
- 21
- 18
- 11
Explanation
3(4 + 3) - (4 + 5)
= 3(7) - 9
= 21 - 9
= 12
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- (x + 2)(x + 1)
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3(4 + 3) - (4 + 5)
= 3(7) - 9
= 21 - 9
= 12
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