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分解因式:4(2p+3q)^2-(3p-q)^2
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人气:374 ℃ 时间:2020-01-25 18:31:02
解答
4(2p+3q)^2-(3p-q)^2
=[2(2p+3q)-(3p-q)][2(2p+3q)+(3p-q)]
=(4p+6q-3p+q)(4p+6q+3p-q)
=(p+7q)(7p+5q)
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