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(x-6)^2=3(x-6)16(x+3)^2=9(x-3)^2
题目详情
(x-6)^2=3(x-6)
16(x+3)^2=9(x-3)^2
16(x+3)^2=9(x-3)^2
▼优质解答
答案和解析
(x-6)(x-9)=0,x=6orx=9
(7x+3)(x+21)=0,x=-21orx=-3/7
(7x+3)(x+21)=0,x=-21orx=-3/7
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