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新gre数学重要考点知识20

信息来源：网络发布时间:2012-01-04

　　新gre数学重要考点：Adding Polynomials

　　Adding Polynomials

　　To add two polynomials, add the like terms. Like terms are those with the same variables and identical powers.

　　Example:

　　By adding (3x+2) and (4x2-x+2), we get 4x2+(3x-x)+(2+2)=4x2+2x+4.

　　Remember:

　　Only add the like terms.

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