【#GRE# 导语】向着顺利通过考试的目标,迈步向前,必然会成功拿到证书。以下是“GRE数学重要知识点:Subtracting Monomials”,欢迎阅读参考!更多相关讯息请关注®文档大全网!
To subtract a monomial from another of the same variables just subtract the coefficients. Only two like monomials can be subtracted from each other.
Example:
By subtracting 3x from 4x, we get (4-3)x=x.
By subtracting 3xy from 2xy, we get (2-3)xy=-xy.
By subtracting bx from ax, we get ax-bx=(a-b)x.
Remember:
Monomials can be subtracted only if they have the same variables with identical powers.
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