Question

How would you simplify this?
8 + [6 − 4 + 5(2)]2=

Answer 1

Use PEMDAS
8+[6-4+10]2
8+[2+10]2
8+12•2
8+24
32

Answer 2

Explanation:

Note that 4=22,8=23,16=24 ;

Use (−a)b=(−1)b⋅ab ; and

Use (ab)c=a(bc),ab⋅ac=a(b+c),abac=a(b−c) .

The expression becomes:

−(2(2⋅6)−2+(4⋅3)−(3⋅6))=−(24)=−16