3(x-7)^2=24怎么做
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3(x-7)^2=24怎么做3(x-7)^2=24怎么做3(x-7)^2=24怎么做3(x-7)^2=24(x-7)^2=8开平方得：x-7=±2√2x=7±2√23(x-7)^2=24(x-7)^2
3(x-7)^2=24怎么做
3(x-7)^2=24怎么做
3(x-7)^2=24怎么做
3(x-7)^2=24
(x-7)^2=8 开平方得：
x-7=±2√2
x=7±2√2
3(x-7)^2=24
(x-7)^2=8
x-7=2√2
x=7+2√2
x1=7+√(24/3)=7+2√2
x2=7-√(24/3)=7-2√2
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