x^4-23x^2+1分解因式,
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x^4-23x^2+1分解因式,
x^4-23x^2+1
=x^4+2x²+1-25x²
=(x²+1)²-(5x)²
=(x²+5x+1)(x²-5x+1)
x^4-23x^2+1
=x^4+2x2+1-25x2
=(x2+1)2-(5x)2
=(x2+5x+1)(x2-5x+1)
x^4-23x^2+1分解因式,
x^4-23x^2+1
=x^4+2x²+1-25x²
=(x²+1)²-(5x)²
=(x²+5x+1)(x²-5x+1)
x^4-23x^2+1
=x^4+2x2+1-25x2
=(x2+1)2-(5x)2
=(x2+5x+1)(x2-5x+1)