Combining+Like+Terms+1B-1

**__Combining like terms__**
by: Roberto

You can only combine terms that are alike. Terms are like if they have the same variables in common.

For example: You **can** combine -6a + -4a which equals -10a.

A common mistake is as follows: You **cannot** combine math -6a^2 + -4a math because -4a does not have an exponent.

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edited by: Mr. Rochester