Answer:
- 14
- -495
- 2197
Step-by-step explanation:
1. [tex]((1+5)\cdot 2-5)\cdot 2=(6\cdot 2-5)\cdot 2=(12-5)\cdot 2=7\cdot 2=14[/tex]
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2. [tex]12-3(12+1)^2=12-3\cdot 13^2=12-3\cdot 169=12-507=-495[/tex]
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3. [tex]13(1-14)^2=13(-13)^2=13\cdot 169=2197[/tex]
