Question

Enter Brackets To Make The Statement
10 + 2 x 3²– 2 = 254

Answer 1

Consider expression $(10+2\cdot 3)^2-2$:

1) $2\cdot 3=6;$

2) $10+2\cdot 3=10+6=16;$

3) $(10+2\cdot 3)^2=16^2=256;$

4) $(10+2\cdot 3)^2-2=256-2=254.$

Answer: $(10+2\cdot 3)^2-2=254.$