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因式分解(x-12)^2=12x-176
人气:453 ℃ 时间:2020-06-26 13:47:31
解答
(x-12)^2=12x-176
x^2-24x+144-12x+176=0
x^2-36x+320=0
(x-16)(x-20)=0
(x-16)=0 (x-20)=0
x1=16 x2=20
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