Can the parentheses in any of these
expressions be removed without
changing the value the expression?
Justify your answer.

A.2x5+3x2+4=20

B.2x(5+3x2+4=30

C.2x5+3x(2+4=28

D.2x(5+3)x2+4=36

E.(2x5)+(3x2)+4=20

F.2x(5+3)x(2+4)=96