解7x^2-6x+1=0

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解7x^2-6x+1=0解7x^2-6x+1=0解7x^2-6x+1=07x^2-6x+1=0(7x-1)(x-1)=0x1=1/7x2=1公式法7x²-6x+1=0x=(6±√8)/14∴

解7x^2-6x+1=0
解7x^2-6x+1=0

解7x^2-6x+1=0
7x^2-6x+1=0
(7x-1)(x-1)=0
x1=1/7 x2=1

公式法 7x²-6x+1=0 x=(6±√8)/14
∴x=(3±√2)/7

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