Reduce Expression to Lowest Terms

[nycmathguy]

College Algebra
Section R.7

Can you work out 88 as a guide for me to do the rest? Please use math notation like LaTex or something close to it.

 

[MathLover1]

88.

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=

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[nycmathguy]

88.

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Thanks. Tell me, how do you write this way? Are you using LaTex?