x2-2√2x-3因式分解

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x2-2√2x-3因式分解x2-2√2x-3因式分解x2-2√2x-3因式分解x²-2√2x-3=(x²-2√2x+2)-5=(x-√2)²-(√5)²=(x-

x2-2√2x-3因式分解
x2-2√2x-3因式分解

x2-2√2x-3因式分解
x²-2√2x-3
=(x²-2√2x+2)-5
=(x-√2)²-(√5)²
=(x-√2+√5)(x-√2-√5)

x^2-2√2x-3
=(x^2-2√2x+2)-5
=(x-√2)^2-5
=(x-√2+√5)(x-√2-√5)