How to add and subtract polynomials in standard form

To add polynomials, simply add any like terms together ... so what is a like term?

Like Terms are terms whose variables (and their exponents such as the 2 in x2) are the same.

In other words, terms that are "like" each other.

To subtract Polynomials, first reverse the sign of each term we are subtracting (in other words turn "+" into "-", and "-" into "+"), then add as usual.

Hope this helped you! (:

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step-by-step explanation: