字典翻译 问答 其它 4(2p+3q)^2-9(3p-q)^2因式分解
问题标题:
4(2p+3q)^2-9(3p-q)^2因式分解
问题描述:

4(2p+3q)^2-9(3p-q)^2因式分解

伦昕义回答:
  4(2p+3q)^2-9(3p-q)^2   =[2(2p+3q)+3(3p-q)][2(2p+3q)-3(3p-q)]   =(4p+6q+9p-3q)(4p+6q-9p+3q)   =(13p+3q)(9q-5p)
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