How do you simplify #2+-1#?

2 Answers
Tony B
Dec 11, 2016

#2+1=3#
#2-1=1#

Explanation:

as above

Jim G. · MeneerNask
Dec 11, 2016

#1" OR " 3#

Explanation:

#"The symbol " +- " means" color(blue)" plus or minus"#

#"Hence " 2+-1" is evaluated as"#

#2+1color(red)" or " 2-1#

#"That is there are 2 values"#

#2+1=3color(red)" or " 2-1=1#

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